22506867438312 has 16 divisors (see below), whose sum is σ = 56267168595840. Its totient is φ = 7502289146096.

The previous prime is 22506867438283. The next prime is 22506867438323. The reversal of 22506867438312 is 21383476860522.

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, 468893071608 + ... + 468893071655.

It is an arithmetic number, because the mean of its divisors is an integer number (3516698037240).

Almost surely, 2^{22506867438312} is an apocalyptic number.

It is an amenable number.

22506867438312 is an abundant number, since it is smaller than the sum of its proper divisors (33760301157528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22506867438312 is a wasteful number, since it uses less digits than its factorization.

22506867438312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937786143272 (or 937786143268 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 57.

The spelling of 22506867438312 in words is "twenty-two trillion, five hundred six billion, eight hundred sixty-seven million, four hundred thirty-eight thousand, three hundred twelve".