22212940536 has 24 divisors (see below), whose sum is σ = 60160047480. Its totient is φ = 7404313488.

The previous prime is 22212940501. The next prime is 22212940549. The reversal of 22212940536 is 63504921222.

22212940536 is a `hidden beast` number, since 2 + 2 + 212 + 9 + 405 + 36 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22212940536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154256460 + ... + 154256603.

It is an arithmetic number, because the mean of its divisors is an integer number (2506668645).

Almost surely, 2^22212940536 is an apocalyptic number.

It is an amenable number.

22212940536 is an abundant number, since it is smaller than the sum of its proper divisors (37947106944).

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

22212940536 is a wasteful number, since it uses less digits than its factorization.

22212940536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308513075 (or 308513068 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 22212940536 in words is "twenty-two billion, two hundred twelve million, nine hundred forty thousand, five hundred thirty-six".