22894785 has 16 divisors (see below), whose sum is σ = 40702080. Its totient is φ = 12210480.

The previous prime is 22894777. The next prime is 22894789. The reversal of 22894785 is 58749822.

It is not a de Polignac number, because 22894785 - 2³ = 22894777 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 22894785.

It is not an unprimeable number, because it can be changed into a prime (22894789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84661 + ... + 84930.

It is an arithmetic number, because the mean of its divisors is an integer number (2543880).

Almost surely, 2^22894785 is an apocalyptic number.

It is an amenable number.

22894785 is a deficient number, since it is larger than the sum of its proper divisors (17807295).

22894785 is a wasteful number, since it uses less digits than its factorization.

22894785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169605 (or 169599 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 22894785 is about 4784.8495274146. The cubic root of 22894785 is about 283.9523865494.

The spelling of 22894785 in words is "twenty-two million, eight hundred ninety-four thousand, seven hundred eighty-five".