22611665052 has 48 divisors (see below), whose sum is σ = 60644320800. Its totient is φ = 7277316480.

The previous prime is 22611665051. The next prime is 22611665057. The reversal of 22611665052 is 25056611622.

It is a super-2 number, since 2×22611665052² (a number of 22 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 22611664998 and 22611665016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22611665051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3606649 + ... + 3612912.

It is an arithmetic number, because the mean of its divisors is an integer number (1263423350).

Almost surely, 2^22611665052 is an apocalyptic number.

It is an amenable number.

22611665052 is an abundant number, since it is smaller than the sum of its proper divisors (38032655748).

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

22611665052 is a wasteful number, since it uses less digits than its factorization.

22611665052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219603 (or 7219595 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 22611665052 in words is "twenty-two billion, six hundred eleven million, six hundred sixty-five thousand, fifty-two".