22706625 has 32 divisors (see below), whose sum is σ = 38128896. Its totient is φ = 12000000.

The previous prime is 22706617. The next prime is 22706627. The reversal of 22706625 is 52660722.

It is not a de Polignac number, because 22706625 - 2³ = 22706617 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22706592 and 22706601.

It is not an unprimeable number, because it can be changed into a prime (22706627) 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 31 ways as a sum of consecutive naturals, for example, 56425 + ... + 56825.

It is an arithmetic number, because the mean of its divisors is an integer number (1191528).

Almost surely, 2^22706625 is an apocalyptic number.

22706625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22706625 is a deficient number, since it is larger than the sum of its proper divisors (15422271).

22706625 is a wasteful number, since it uses less digits than its factorization.

22706625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 22706625 is about 4765.1469022476. The cubic root of 22706625 is about 283.1723614661.

The spelling of 22706625 in words is "twenty-two million, seven hundred six thousand, six hundred twenty-five".