22532254451 has 32 divisors (see below), whose sum is σ = 28576988160. Its totient is φ = 17320697856.

The previous prime is 22532254429. The next prime is 22532254499. The reversal of 22532254451 is 15445223522.

It is a happy number.

It is not a de Polignac number, because 22532254451 - 2²² = 22528060147 is a prime.

It is a super-2 number, since 2×22532254451² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22532254351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258755 + ... + 334691.

It is an arithmetic number, because the mean of its divisors is an integer number (893030880).

Almost surely, 2^22532254451 is an apocalyptic number.

22532254451 is a deficient number, since it is larger than the sum of its proper divisors (6044733709).

22532254451 is a wasteful number, since it uses less digits than its factorization.

22532254451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76083.

The product of its digits is 96000, while the sum is 35.

Adding to 22532254451 its reverse (15445223522), we get a palindrome (37977477973).

The spelling of 22532254451 in words is "twenty-two billion, five hundred thirty-two million, two hundred fifty-four thousand, four hundred fifty-one".