22877145 has 24 divisors (see below), whose sum is σ = 39975936. Its totient is φ = 12102048.

The previous prime is 22877131. The next prime is 22877149. The reversal of 22877145 is 54177822.

It is not a de Polignac number, because 22877145 - 2⁶ = 22877081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22877149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3714 + ... + 7716.

It is an arithmetic number, because the mean of its divisors is an integer number (1665664).

Almost surely, 2^22877145 is an apocalyptic number.

It is an amenable number.

22877145 is a deficient number, since it is larger than the sum of its proper divisors (17098791).

22877145 is a wasteful number, since it uses less digits than its factorization.

22877145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141 (or 4138 counting only the distinct ones).

The product of its digits is 31360, while the sum is 36.

The square root of 22877145 is about 4783.0058540629. The cubic root of 22877145 is about 283.8794411592.

The spelling of 22877145 in words is "twenty-two million, eight hundred seventy-seven thousand, one hundred forty-five".