22625730 has 48 divisors (see below), whose sum is σ = 61012224. Its totient is φ = 6032880.

The previous prime is 22625719. The next prime is 22625731. The reversal of 22625730 is 3752622.

22625730 is a `hidden beast` number, since 2 + 2 + 625 + 7 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22625694 and 22625703.

It is not an unprimeable number, because it can be changed into a prime (22625731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2226 + ... + 7085.

It is an arithmetic number, because the mean of its divisors is an integer number (1271088).

Almost surely, 2^22625730 is an apocalyptic number.

22625730 is an abundant number, since it is smaller than the sum of its proper divisors (38386494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22625730 is an equidigital number, since it uses as much as digits as its factorization.

22625730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333 (or 9321 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 22625730 is about 4756.6511328875. The cubic root of 22625730 is about 282.8356831417.

The spelling of 22625730 in words is "twenty-two million, six hundred twenty-five thousand, seven hundred thirty".