22359725 has 12 divisors (see below), whose sum is σ = 28683060. Its totient is φ = 17270400.

The previous prime is 22359721. The next prime is 22359763. The reversal of 22359725 is 52795322.

It can be written as a sum of positive squares in 6 ways, for example, as 24649 + 22335076 = 157^2 + 4726^2 .

It is not a de Polignac number, because 22359725 - 2² = 22359721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22359721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14696 + ... + 16145.

It is an arithmetic number, because the mean of its divisors is an integer number (2390255).

Almost surely, 2^22359725 is an apocalyptic number.

22359725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22359725 is a deficient number, since it is larger than the sum of its proper divisors (6323335).

22359725 is a wasteful number, since it uses less digits than its factorization.

22359725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30880 (or 30875 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 22359725 is about 4728.6070887736. The cubic root of 22359725 is about 281.7229015240.

The spelling of 22359725 in words is "twenty-two million, three hundred fifty-nine thousand, seven hundred twenty-five".