22877420 has 24 divisors (see below), whose sum is σ = 48166944. Its totient is φ = 9127296.

The previous prime is 22877417. The next prime is 22877431. The reversal of 22877420 is 2477822.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7889 + ... + 10391.

It is an arithmetic number, because the mean of its divisors is an integer number (2006956).

Almost surely, 2^22877420 is an apocalyptic number.

22877420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22877420 is an abundant number, since it is smaller than the sum of its proper divisors (25289524).

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

22877420 is a wasteful number, since it uses less digits than its factorization.

22877420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 32.

The square root of 22877420 is about 4783.0346015892. The cubic root of 22877420 is about 283.8805786341.

The spelling of 22877420 in words is "twenty-two million, eight hundred seventy-seven thousand, four hundred twenty".