22525686 has 12 divisors (see below), whose sum is σ = 48805692. Its totient is φ = 7508556.

The previous prime is 22525681. The next prime is 22525691. The reversal of 22525686 is 68652522.

It is an interprime number because it is at equal distance from previous prime (22525681) and next prime (22525691).

It is a self number, because there is not a number n which added to its sum of digits gives 22525686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22525681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625696 + ... + 625731.

It is an arithmetic number, because the mean of its divisors is an integer number (4067141).

Almost surely, 2^22525686 is an apocalyptic number.

22525686 is an abundant number, since it is smaller than the sum of its proper divisors (26280006).

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

22525686 is a wasteful number, since it uses less digits than its factorization.

22525686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251435 (or 1251432 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 22525686 is about 4746.1232600934. The cubic root of 22525686 is about 282.4181964831.

The spelling of 22525686 in words is "twenty-two million, five hundred twenty-five thousand, six hundred eighty-six".