22923420 has 48 divisors (see below), whose sum is σ = 69125280. Its totient is φ = 5642496.

The previous prime is 22923419. The next prime is 22923437. The reversal of 22923420 is 2432922.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 13915 + ... + 15474.

It is an arithmetic number, because the mean of its divisors is an integer number (1440110).

Almost surely, 2^22923420 is an apocalyptic number.

22923420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22923420 is an abundant number, since it is smaller than the sum of its proper divisors (46201860).

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

22923420 is a wasteful number, since it uses less digits than its factorization.

22923420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29414 (or 29412 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22923420 is about 4787.8408494853. The cubic root of 22923420 is about 284.0707190151.

The spelling of 22923420 in words is "twenty-two million, nine hundred twenty-three thousand, four hundred twenty".