22635425 has 12 divisors (see below), whose sum is σ = 28974336. Its totient is φ = 17523600.

The previous prime is 22635401. The next prime is 22635433. The reversal of 22635425 is 52453622.

It is not a de Polignac number, because 22635425 - 2²⁰ = 21586849 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 13829 + ... + 15378.

It is an arithmetic number, because the mean of its divisors is an integer number (2414528).

Almost surely, 2^22635425 is an apocalyptic number.

22635425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22635425 is a deficient number, since it is larger than the sum of its proper divisors (6338911).

22635425 is a wasteful number, since it uses less digits than its factorization.

22635425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29248 (or 29243 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 22635425 is about 4757.6701230749. The cubic root of 22635425 is about 282.8760752143.

The spelling of 22635425 in words is "twenty-two million, six hundred thirty-five thousand, four hundred twenty-five".