22823725 has 12 divisors (see below), whose sum is σ = 29278260. Its totient is φ = 17628800.

The previous prime is 22823711. The next prime is 22823729. The reversal of 22823725 is 52732822.

It can be written as a sum of positive squares in 6 ways, for example, as 3437316 + 19386409 = 1854^2 + 4403^2 .

It is not a de Polignac number, because 22823725 - 2⁷ = 22823597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22823729) 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, 15016 + ... + 16465.

It is an arithmetic number, because the mean of its divisors is an integer number (2439855).

Almost surely, 2^22823725 is an apocalyptic number.

22823725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22823725 is a deficient number, since it is larger than the sum of its proper divisors (6454535).

22823725 is a wasteful number, since it uses less digits than its factorization.

22823725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31520 (or 31515 counting only the distinct ones).

The product of its digits is 13440, while the sum is 31.

The square root of 22823725 is about 4777.4182358257. The cubic root of 22823725 is about 283.6583083970.

The spelling of 22823725 in words is "twenty-two million, eight hundred twenty-three thousand, seven hundred twenty-five".