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22012210222 = 2239178925741
BaseRepresentation
bin10100100000000001…
…111010110000101110
32002211001212010202021
4110200001322300232
5330040111211342
614040130020354
71406324462002
oct244001726056
962731763667
1022012210222
119376356382
124323a176ba
1320ca538882
1410cb63c702
1588c741567
hex52007ac2e

22012210222 has 16 divisors (see below), whose sum is σ = 33176289600. Its totient is φ = 10953502560.

The previous prime is 22012210219. The next prime is 22012210229. The reversal of 22012210222 is 22201221022.

It is a junction number, because it is equal to n+sod(n) for n = 22012210196 and 22012210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012210229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842272 + ... + 868012.

It is an arithmetic number, because the mean of its divisors is an integer number (2073518100).

Almost surely, 222012210222 is an apocalyptic number.

22012210222 is a deficient number, since it is larger than the sum of its proper divisors (11164079378).

22012210222 is a wasteful number, since it uses less digits than its factorization.

22012210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27771.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22012210222 its reverse (22201221022), we get a palindrome (44213431244).

It can be divided in two parts, 2201221022 and 2, that multiplied together give a palindrome (4402442044).

The spelling of 22012210222 in words is "twenty-two billion, twelve million, two hundred ten thousand, two hundred twenty-two".

Divisors: 1 2 239 478 1789 3578 25741 51482 427571 855142 6152099 12304198 46050649 92101298 11006105111 22012210222