22478875 has 16 divisors (see below), whose sum is σ = 28963584. Its totient is φ = 17400000.

The previous prime is 22478867. The next prime is 22478891. The reversal of 22478875 is 57887422.

It is not a de Polignac number, because 22478875 - 2³ = 22478867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975 + ... + 6775.

It is an arithmetic number, because the mean of its divisors is an integer number (1810224).

Almost surely, 2^22478875 is an apocalyptic number.

22478875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22478875 is a deficient number, since it is larger than the sum of its proper divisors (6484709).

22478875 is an equidigital number, since it uses as much as digits as its factorization.

22478875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847 (or 5837 counting only the distinct ones).

The product of its digits is 250880, while the sum is 43.

The square root of 22478875 is about 4741.1891968155. The cubic root of 22478875 is about 282.2224281716. Note that the first 3 decimals are identical.

The spelling of 22478875 in words is "twenty-two million, four hundred seventy-eight thousand, eight hundred seventy-five".