22897025 has 6 divisors (see below), whose sum is σ = 28392342. Its totient is φ = 18317600.

The previous prime is 22897009. The next prime is 22897051. The reversal of 22897025 is 52079822.

It can be written as a sum of positive squares in 3 ways, for example, as 153664 + 22743361 = 392^2 + 4769^2 .

It is not a de Polignac number, because 22897025 - 2⁴ = 22897009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 457916 + ... + 457965.

It is an arithmetic number, because the mean of its divisors is an integer number (4732057).

Almost surely, 2^22897025 is an apocalyptic number.

22897025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22897025 is a deficient number, since it is larger than the sum of its proper divisors (5495317).

22897025 is an equidigital number, since it uses as much as digits as its factorization.

22897025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915891 (or 915886 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 22897025 is about 4785.0835938362. The cubic root of 22897025 is about 283.9616467747.

The spelling of 22897025 in words is "twenty-two million, eight hundred ninety-seven thousand, twenty-five".