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22318070472 = 23321923968261
BaseRepresentation
bin10100110010010000…
…101011101011001000
32010121101101110010200
4110302100223223020
5331201411223342
614130333412200
71420030316565
oct246220535310
963541343120
1022318070472
119512a72745
1243aa33a060
132148a08b79
14111a0d986c
158a950b94c
hex53242bac8

22318070472 has 96 divisors (see below), whose sum is σ = 63893232000. Its totient is φ = 7018220160.

The previous prime is 22318070449. The next prime is 22318070521. The reversal of 22318070472 is 27407081322.

22318070472 is a `hidden beast` number, since 2 + 2 + 3 + 180 + 7 + 0 + 472 = 666.

It is a super-3 number, since 3×223180704723 (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292822 + ... + 361082.

It is an arithmetic number, because the mean of its divisors is an integer number (665554500).

Almost surely, 222318070472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22318070472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31946616000).

22318070472 is an abundant number, since it is smaller than the sum of its proper divisors (41575161528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22318070472 is a wasteful number, since it uses less digits than its factorization.

22318070472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68531 (or 68524 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 22318070472 in words is "twenty-two billion, three hundred eighteen million, seventy thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 239 342 456 478 684 717 956 1368 1434 1912 2151 2868 4302 4541 5736 8604 9082 13623 17208 18164 27246 36328 40869 54492 68261 81738 108984 136522 163476 204783 273044 326952 409566 546088 614349 819132 1228698 1296959 1638264 2457396 2593918 3890877 4914792 5187836 7781754 10375672 11672631 15563508 16314379 23345262 31127016 32628758 46690524 48943137 65257516 93381048 97886274 130515032 146829411 195772548 293658822 309973201 391545096 587317644 619946402 929919603 1174635288 1239892804 1859839206 2479785608 2789758809 3719678412 5579517618 7439356824 11159035236 22318070472