22875780 has 48 divisors (see below), whose sum is σ = 66265920. Its totient is φ = 5889408.

The previous prime is 22875773. The next prime is 22875803. The reversal of 22875780 is 8757822.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 4834 + ... + 8313.

It is an arithmetic number, because the mean of its divisors is an integer number (1380540).

Almost surely, 2^22875780 is an apocalyptic number.

22875780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22875780 is an abundant number, since it is smaller than the sum of its proper divisors (43390140).

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

22875780 is a wasteful number, since it uses less digits than its factorization.

22875780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13188 (or 13186 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 22875780 is about 4782.8631592384. The cubic root of 22875780 is about 283.8737950126.

It can be divided in two parts, 2 and 2875780, that added together give a palindrome (2875782).

The spelling of 22875780 in words is "twenty-two million, eight hundred seventy-five thousand, seven hundred eighty".