22851922553 has 4 divisors (see below), whose sum is σ = 22865295780. Its totient is φ = 22838549328.

The previous prime is 22851922549. The next prime is 22851922601. The reversal of 22851922553 is 35522915822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6418733689 + 16433188864 = 80117^2 + 128192^2 .

It is a cyclic number.

It is not a de Polignac number, because 22851922553 - 2² = 22851922549 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22851922253) 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, 6684050 + ... + 6687467.

It is an arithmetic number, because the mean of its divisors is an integer number (5716323945).

Almost surely, 2^22851922553 is an apocalyptic number.

It is an amenable number.

22851922553 is a deficient number, since it is larger than the sum of its proper divisors (13373227).

22851922553 is a wasteful number, since it uses less digits than its factorization.

22851922553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13373226.

The product of its digits is 432000, while the sum is 44.

The spelling of 22851922553 in words is "twenty-two billion, eight hundred fifty-one million, nine hundred twenty-two thousand, five hundred fifty-three".