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22230011312 = 248915610963
BaseRepresentation
bin10100101101000000…
…110000110110110000
32010101020200120200022
4110231000300312300
5331011340330222
614113510143012
71414610656415
oct245500606660
963336616608
1022230011312
119478297583
124384951a68
1321336b6462
14110c53610c
158a1915042
hex52d030db0

22230011312 has 20 divisors (see below), whose sum is σ = 43554589560. Its totient is φ = 10990117248.

The previous prime is 22230011311. The next prime is 22230011339. The reversal of 22230011312 is 21311003222.

It is a super-2 number, since 2×222300113122 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22230011311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7804058 + ... + 7806905.

It is an arithmetic number, because the mean of its divisors is an integer number (2177729478).

Almost surely, 222230011312 is an apocalyptic number.

It is an amenable number.

22230011312 is a deficient number, since it is larger than the sum of its proper divisors (21324578248).

22230011312 is a wasteful number, since it uses less digits than its factorization.

22230011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15611060 (or 15611054 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22230011312 its reverse (21311003222), we get a palindrome (43541014534).

The spelling of 22230011312 in words is "twenty-two billion, two hundred thirty million, eleven thousand, three hundred twelve".

Divisors: 1 2 4 8 16 89 178 356 712 1424 15610963 31221926 62443852 124887704 249775408 1389375707 2778751414 5557502828 11115005656 22230011312