22564732701 has 24 divisors (see below), whose sum is σ = 35013077184. Its totient is φ = 12888711360.

The previous prime is 22564732627. The next prime is 22564732739. The reversal of 22564732701 is 10723746522.

It is not a de Polignac number, because 22564732701 - 2⁹ = 22564732189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22564732701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22564732781) 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, 332496 + ... + 394566.

It is an arithmetic number, because the mean of its divisors is an integer number (1458878216).

Almost surely, 2^22564732701 is an apocalyptic number.

22564732701 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22564732701 is a deficient number, since it is larger than the sum of its proper divisors (12448344483).

22564732701 is a wasteful number, since it uses less digits than its factorization.

22564732701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64561 (or 64554 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 22564732701 in words is "twenty-two billion, five hundred sixty-four million, seven hundred thirty-two thousand, seven hundred one".