22366725 has 12 divisors (see below), whose sum is σ = 36979776. Its totient is φ = 11928880.

The previous prime is 22366711. The next prime is 22366739. The reversal of 22366725 is 52766322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22366711) and next prime (22366739).

It is not a de Polignac number, because 22366725 - 2⁶ = 22366661 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149037 + ... + 149186.

It is an arithmetic number, because the mean of its divisors is an integer number (3081648).

Almost surely, 2^22366725 is an apocalyptic number.

22366725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22366725 is a deficient number, since it is larger than the sum of its proper divisors (14613051).

22366725 is a wasteful number, since it uses less digits than its factorization.

22366725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298236 (or 298231 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 22366725 is about 4729.3472065392. The cubic root of 22366725 is about 281.7522974513.

The spelling of 22366725 in words is "twenty-two million, three hundred sixty-six thousand, seven hundred twenty-five".