22265510324212 has 12 divisors (see below), whose sum is σ = 38977955231040. Its totient is φ = 11128951686776.

The previous prime is 22265510324203. The next prime is 22265510324257. The reversal of 22265510324212 is 21242301556222.

It is a super-2 number, since 2×22265510324212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950855662 + ... + 950879077.

It is an arithmetic number, because the mean of its divisors is an integer number (3248162935920).

Almost surely, 2^{22265510324212} is an apocalyptic number.

It is an amenable number.

22265510324212 is a deficient number, since it is larger than the sum of its proper divisors (16712444906828).

22265510324212 is a wasteful number, since it uses less digits than its factorization.

22265510324212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1901737670 (or 1901737668 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 22265510324212 in words is "twenty-two trillion, two hundred sixty-five billion, five hundred ten million, three hundred twenty-four thousand, two hundred twelve".