22628875 has 8 divisors (see below), whose sum is σ = 28240992. Its totient is φ = 18103000.

The previous prime is 22628863. The next prime is 22628897. The reversal of 22628875 is 57882622.

It is not a de Polignac number, because 22628875 - 2¹¹ = 22626827 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 90391 + ... + 90640.

It is an arithmetic number, because the mean of its divisors is an integer number (3530124).

Almost surely, 2^22628875 is an apocalyptic number.

22628875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22628875 is a deficient number, since it is larger than the sum of its proper divisors (5612117).

22628875 is an equidigital number, since it uses as much as digits as its factorization.

22628875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181046 (or 181036 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 22628875 is about 4756.9817111273. The cubic root of 22628875 is about 282.8487873526.

The spelling of 22628875 in words is "twenty-two million, six hundred twenty-eight thousand, eight hundred seventy-five".