22500775 has 24 divisors (see below), whose sum is σ = 32234544. Its totient is φ = 15398400.

The previous prime is 22500767. The next prime is 22500787. The reversal of 22500775 is 57700522.

It is not a de Polignac number, because 22500775 - 2³ = 22500767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2269 + ... + 7081.

It is an arithmetic number, because the mean of its divisors is an integer number (1343106).

Almost surely, 2^22500775 is an apocalyptic number.

22500775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22500775 is a deficient number, since it is larger than the sum of its proper divisors (9733769).

22500775 is a wasteful number, since it uses less digits than its factorization.

22500775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851 (or 4846 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 22500775 is about 4743.4981817220. The cubic root of 22500775 is about 282.3140499734.

The spelling of 22500775 in words is "twenty-two million, five hundred thousand, seven hundred seventy-five".