22532325121 has 4 divisors (see below), whose sum is σ = 22581202644. Its totient is φ = 22483447600.

The previous prime is 22532325089. The next prime is 22532325161. The reversal of 22532325121 is 12152323522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12152323522 = 2 ⋅6076161761.

It can be written as a sum of positive squares in 2 ways, for example, as 8504528400 + 14027796721 = 92220^2 + 118439^2 .

It is a cyclic number.

It is not a de Polignac number, because 22532325121 - 2⁵ = 22532325089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22532325121.

It is not an unprimeable number, because it can be changed into a prime (22532325161) 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, 24438070 + ... + 24438991.

It is an arithmetic number, because the mean of its divisors is an integer number (5645300661).

Almost surely, 2^22532325121 is an apocalyptic number.

It is an amenable number.

22532325121 is a deficient number, since it is larger than the sum of its proper divisors (48877523).

22532325121 is an equidigital number, since it uses as much as digits as its factorization.

22532325121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48877522.

The product of its digits is 7200, while the sum is 28.

Adding to 22532325121 its reverse (12152323522), we get a palindrome (34684648643).

The spelling of 22532325121 in words is "twenty-two billion, five hundred thirty-two million, three hundred twenty-five thousand, one hundred twenty-one".