22802525 has 12 divisors (see below), whose sum is σ = 29938932. Its totient is φ = 17168640.

The previous prime is 22802509. The next prime is 22802537. The reversal of 22802525 is 52520822.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1522756 + 21279769 = 1234^2 + 4613^2 .

It is not a de Polignac number, because 22802525 - 2⁴ = 22802509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22802494 and 22802503.

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, 26402 + ... + 27251.

It is an arithmetic number, because the mean of its divisors is an integer number (2494911).

Almost surely, 2^22802525 is an apocalyptic number.

22802525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22802525 is a deficient number, since it is larger than the sum of its proper divisors (7136407).

22802525 is a wasteful number, since it uses less digits than its factorization.

22802525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53680 (or 53675 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 22802525 is about 4775.1989487350. The cubic root of 22802525 is about 283.5704550921.

The spelling of 22802525 in words is "twenty-two million, eight hundred two thousand, five hundred twenty-five".