22283904 has 32 divisors (see below), whose sum is σ = 59192640. Its totient is φ = 7427840.

The previous prime is 22283897. The next prime is 22283929. The reversal of 22283904 is 40938222.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28632 + ... + 29399.

It is an arithmetic number, because the mean of its divisors is an integer number (1849770).

Almost surely, 2^22283904 is an apocalyptic number.

22283904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22283904 is an abundant number, since it is smaller than the sum of its proper divisors (36908736).

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

22283904 is an equidigital number, since it uses as much as digits as its factorization.

22283904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58048 (or 58036 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 22283904 is about 4720.5830148404. The cubic root of 22283904 is about 281.4041035969.

The spelling of 22283904 in words is "twenty-two million, two hundred eighty-three thousand, nine hundred four".