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22010220212 = 22171392328631
BaseRepresentation
bin10100011111111010…
…010100111010110100
32002210221010000222012
4110133322110322310
5330034104021322
614040015223352
71406301533141
oct243772247264
962727100865
1022010220212
119375217242
124323217b58
1320c9cbcb56
1410cb2813c8
1588c49bae2
hex51fe94eb4

22010220212 has 24 divisors (see below), whose sum is σ = 41077068480. Its totient is φ = 10283230080.

The previous prime is 22010220209. The next prime is 22010220223. The reversal of 22010220212 is 21202201022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1154864 + ... + 1173767.

It is an arithmetic number, because the mean of its divisors is an integer number (1711544520).

Almost surely, 222010220212 is an apocalyptic number.

It is an amenable number.

22010220212 is a deficient number, since it is larger than the sum of its proper divisors (19066848268).

22010220212 is a wasteful number, since it uses less digits than its factorization.

22010220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328791 (or 2328789 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22010220212 its reverse (21202201022), we get a palindrome (43212421234).

The spelling of 22010220212 in words is "twenty-two billion, ten million, two hundred twenty thousand, two hundred twelve".

Divisors: 1 2 4 17 34 68 139 278 556 2363 4726 9452 2328631 4657262 9314524 39586727 79173454 158346908 323679709 647359418 1294718836 5502555053 11005110106 22010220212