22357725 has 48 divisors (see below), whose sum is σ = 41580672. Its totient is φ = 10517760.

The previous prime is 22357691. The next prime is 22357747. The reversal of 22357725 is 52775322.

It is not a de Polignac number, because 22357725 - 2¹¹ = 22355677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21927 + ... + 22923.

It is an arithmetic number, because the mean of its divisors is an integer number (866264).

Almost surely, 2^22357725 is an apocalyptic number.

22357725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22357725 is a deficient number, since it is larger than the sum of its proper divisors (19222947).

22357725 is a wasteful number, since it uses less digits than its factorization.

22357725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046 (or 1041 counting only the distinct ones).

The product of its digits is 29400, while the sum is 33.

The square root of 22357725 is about 4728.3956052767. The cubic root of 22357725 is about 281.7145015608.

The spelling of 22357725 in words is "twenty-two million, three hundred fifty-seven thousand, seven hundred twenty-five".