22051626661332 has 72 divisors (see below), whose sum is σ = 55780785715200. Its totient is φ = 7345378168128.

The previous prime is 22051626661321. The next prime is 22051626661333. The reversal of 22051626661332 is 23316662615022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22051626661333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 334899669 + ... + 334965507.

Almost surely, 2^{22051626661332} is an apocalyptic number.

It is an amenable number.

22051626661332 is an abundant number, since it is smaller than the sum of its proper divisors (33729159053868).

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

22051626661332 is a wasteful number, since it uses less digits than its factorization.

22051626661332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72245 (or 72240 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 22051626661332 in words is "twenty-two trillion, fifty-one billion, six hundred twenty-six million, six hundred sixty-one thousand, three hundred thirty-two".