22685245 has 32 divisors (see below), whose sum is σ = 31518720. Its totient is φ = 15512640.

The previous prime is 22685237. The next prime is 22685263. The reversal of 22685245 is 54258622.

It is not a de Polignac number, because 22685245 - 2³ = 22685237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22685245.

It is a congruent number.

It is an unprimeable number.

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, 99822 + ... + 100048.

It is an arithmetic number, because the mean of its divisors is an integer number (984960).

Almost surely, 2^22685245 is an apocalyptic number.

It is an amenable number.

22685245 is a deficient number, since it is larger than the sum of its proper divisors (8833475).

22685245 is a wasteful number, since it uses less digits than its factorization.

22685245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345.

The product of its digits is 38400, while the sum is 34.

The square root of 22685245 is about 4762.9030013218. The cubic root of 22685245 is about 283.0834575119.

The spelling of 22685245 in words is "twenty-two million, six hundred eighty-five thousand, two hundred forty-five".