22538325 has 12 divisors (see below), whose sum is σ = 37263488. Its totient is φ = 12020400.

The previous prime is 22538297. The next prime is 22538353. The reversal of 22538325 is 52383522.

It is an interprime number because it is at equal distance from previous prime (22538297) and next prime (22538353).

It is not a de Polignac number, because 22538325 - 2⁵ = 22538293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22538292 and 22538301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150181 + ... + 150330.

Almost surely, 2^22538325 is an apocalyptic number.

22538325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22538325 is a deficient number, since it is larger than the sum of its proper divisors (14725163).

22538325 is a wasteful number, since it uses less digits than its factorization.

22538325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300524 (or 300519 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 22538325 is about 4747.4545811414. The cubic root of 22538325 is about 282.4710075449.

The spelling of 22538325 in words is "twenty-two million, five hundred thirty-eight thousand, three hundred twenty-five".