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22012202012 = 2219313925349
BaseRepresentation
bin10100100000000001…
…111000110000011100
32002211001211201111012
4110200001320300130
5330040110431022
614040125514352
71406324426033
oct244001706034
962731751435
1022012202012
119376350199
124323a129b8
1320ca534c08
1410cb63971a
1588c73dde2
hex520078c1c

22012202012 has 24 divisors (see below), whose sum is σ = 40678386000. Its totient is φ = 10393508736.

The previous prime is 22012201979. The next prime is 22012202027. The reversal of 22012202012 is 21020221022.

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, 438887 + ... + 486462.

It is an arithmetic number, because the mean of its divisors is an integer number (1694932750).

Almost surely, 222012202012 is an apocalyptic number.

It is an amenable number.

22012202012 is a deficient number, since it is larger than the sum of its proper divisors (18666183988).

22012202012 is a wasteful number, since it uses less digits than its factorization.

22012202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925685 (or 925683 counting only the distinct ones).

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

Adding to 22012202012 its reverse (21020221022), we get a palindrome (43032423034).

The spelling of 22012202012 in words is "twenty-two billion, twelve million, two hundred two thousand, twelve".

Divisors: 1 2 4 19 38 76 313 626 1252 5947 11894 23788 925349 1850698 3701396 17581631 35163262 70326524 289634237 579268474 1158536948 5503050503 11006101006 22012202012