22502334451 has 2 divisors, whose sum is σ = 22502334452. Its totient is φ = 22502334450.

The previous prime is 22502334433. The next prime is 22502334473. The reversal of 22502334451 is 15443320522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22502334451 - 2⁵ = 22502334419 is a prime.

It is a super-2 number, since 2×22502334451² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22509334451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11251167225 + 11251167226.

It is an arithmetic number, because the mean of its divisors is an integer number (11251167226).

Almost surely, 2^22502334451 is an apocalyptic number.

22502334451 is a deficient number, since it is larger than the sum of its proper divisors (1).

22502334451 is an equidigital number, since it uses as much as digits as its factorization.

22502334451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 22502334451 its reverse (15443320522), we get a palindrome (37945654973).

The spelling of 22502334451 in words is "twenty-two billion, five hundred two million, three hundred thirty-four thousand, four hundred fifty-one".