22356625 has 8 divisors (see below), whose sum is σ = 27901224. Its totient is φ = 17885200.

The previous prime is 22356623. The next prime is 22356637. The reversal of 22356625 is 52665322.

It can be written as a sum of positive squares in 4 ways, for example, as 603729 + 21752896 = 777^2 + 4664^2 .

It is not a de Polignac number, because 22356625 - 2¹ = 22356623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22356623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89302 + ... + 89551.

It is an arithmetic number, because the mean of its divisors is an integer number (3487653).

Almost surely, 2^22356625 is an apocalyptic number.

22356625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22356625 is a deficient number, since it is larger than the sum of its proper divisors (5544599).

22356625 is an equidigital number, since it uses as much as digits as its factorization.

22356625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178868 (or 178858 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 22356625 is about 4728.2792853215. The cubic root of 22356625 is about 281.7098813675.

The spelling of 22356625 in words is "twenty-two million, three hundred fifty-six thousand, six hundred twenty-five".