22383920 has 40 divisors (see below), whose sum is σ = 56048496. Its totient is φ = 8264448.

The previous prime is 22383901. The next prime is 22383931. The reversal of 22383920 is 2938322.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9722 + ... + 11801.

Almost surely, 2^22383920 is an apocalyptic number.

22383920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22383920 is an abundant number, since it is smaller than the sum of its proper divisors (33664576).

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

22383920 is a wasteful number, since it uses less digits than its factorization.

22383920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21549 (or 21543 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 22383920 is about 4731.1647614515. The cubic root of 22383920 is about 281.8244804192.

The spelling of 22383920 in words is "twenty-two million, three hundred eighty-three thousand, nine hundred twenty".