22752592021 has 4 divisors (see below), whose sum is σ = 23281722112. Its totient is φ = 22223461932.

The previous prime is 22752591997. The next prime is 22752592033. The reversal of 22752592021 is 12029525722.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22752592021 - 2³¹ = 20605108373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22752592061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264564981 + ... + 264565066.

It is an arithmetic number, because the mean of its divisors is an integer number (5820430528).

Almost surely, 2^22752592021 is an apocalyptic number.

It is an amenable number.

22752592021 is a deficient number, since it is larger than the sum of its proper divisors (529130091).

22752592021 is an equidigital number, since it uses as much as digits as its factorization.

22752592021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529130090.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 22752592021 in words is "twenty-two billion, seven hundred fifty-two million, five hundred ninety-two thousand, twenty-one".