22882257 has 20 divisors (see below), whose sum is σ = 34532916. Its totient is φ = 15098400.

The previous prime is 22882241. The next prime is 22882267. The reversal of 22882257 is 75228822.

It can be written as a sum of positive squares in 2 ways, for example, as 19927296 + 2954961 = 4464^2 + 1719^2 .

It is not a de Polignac number, because 22882257 - 2⁴ = 22882241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22882207) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6783 + ... + 9579.

Almost surely, 2^22882257 is an apocalyptic number.

22882257 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22882257 is a deficient number, since it is larger than the sum of its proper divisors (11650659).

22882257 is a wasteful number, since it uses less digits than its factorization.

22882257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910 (or 2901 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 22882257 is about 4783.5402161997. The cubic root of 22882257 is about 283.9005842932.

The spelling of 22882257 in words is "twenty-two million, eight hundred eighty-two thousand, two hundred fifty-seven".