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22427326340 = 22531151239557
BaseRepresentation
bin10100111000110001…
…011101011110000100
32010212222222020000022
4110320301131132010
5331412343420330
614145235234312
71422525062036
oct247061353604
963788866008
1022427326340
119569706251
12441aa48998
132165540603
14112a819c56
158b3dddae5
hex538c5d784

22427326340 has 48 divisors (see below), whose sum is σ = 48938824704. Its totient is φ = 8624016000.

The previous prime is 22427326321. The next prime is 22427326373. The reversal of 22427326340 is 4362372422.

It is a self number, because there is not a number n which added to its sum of digits gives 22427326340.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26159 + ... + 213398.

It is an arithmetic number, because the mean of its divisors is an integer number (1019558848).

Almost surely, 222427326340 is an apocalyptic number.

22427326340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22427326340 is an abundant number, since it is smaller than the sum of its proper divisors (26511498364).

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

22427326340 is a wasteful number, since it uses less digits than its factorization.

22427326340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239748 (or 239746 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 35.

Adding to 22427326340 its reverse (4362372422), we get a palindrome (26789698762).

The spelling of 22427326340 in words is "twenty-two billion, four hundred twenty-seven million, three hundred twenty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 151 155 302 310 604 620 755 1510 3020 4681 9362 18724 23405 46810 93620 239557 479114 958228 1197785 2395570 4791140 7426267 14852534 29705068 36173107 37131335 72346214 74262670 144692428 148525340 180865535 361731070 723462140 1121366317 2242732634 4485465268 5606831585 11213663170 22427326340