22788675 has 144 divisors (see below), whose sum is σ = 53434080. Its totient is φ = 9434880.

The previous prime is 22788673. The next prime is 22788683. The reversal of 22788675 is 57688722.

It is not a de Polignac number, because 22788675 - 2¹ = 22788673 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22788675.

It is not an unprimeable number, because it can be changed into a prime (22788673) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 429949 + ... + 430001.

It is an arithmetic number, because the mean of its divisors is an integer number (371070).

Almost surely, 2^22788675 is an apocalyptic number.

22788675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22788675 is an abundant number, since it is smaller than the sum of its proper divisors (30645405).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22788675 is a wasteful number, since it uses less digits than its factorization.

22788675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 81 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 22788675 is about 4773.7485271011. The cubic root of 22788675 is about 283.5130309511.

The spelling of 22788675 in words is "twenty-two million, seven hundred eighty-eight thousand, six hundred seventy-five".