22165535344 has 40 divisors (see below), whose sum is σ = 45658497312. Its totient is φ = 10400881920.

The previous prime is 22165535317. The next prime is 22165535377. The reversal of 22165535344 is 44353556122.

It is a super-2 number, since 2×22165535344² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22165535297 and 22165535306.

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, 548727 + ... + 587734.

Almost surely, 2^22165535344 is an apocalyptic number.

It is an amenable number.

22165535344 is an abundant number, since it is smaller than the sum of its proper divisors (23492961968).

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

22165535344 is a wasteful number, since it uses less digits than its factorization.

22165535344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136545 (or 1136539 counting only the distinct ones).

The product of its digits is 432000, while the sum is 40.

The spelling of 22165535344 in words is "twenty-two billion, one hundred sixty-five million, five hundred thirty-five thousand, three hundred forty-four".