22390983 has 18 divisors (see below), whose sum is σ = 33817056. Its totient is φ = 14275272.

The previous prime is 22390981. The next prime is 22390997. The reversal of 22390983 is 38909322.

It is not a de Polignac number, because 22390983 - 2¹ = 22390981 is a prime.

It is a super-2 number, since 2×22390983² = 1002712239412578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22390981) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 2410 + ... + 7112.

Almost surely, 2^22390983 is an apocalyptic number.

22390983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22390983 is a deficient number, since it is larger than the sum of its proper divisors (11426073).

22390983 is a wasteful number, since it uses less digits than its factorization.

22390983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755 (or 4729 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 22390983 is about 4731.9111361056. The cubic root of 22390983 is about 281.8541195081.

The spelling of 22390983 in words is "twenty-two million, three hundred ninety thousand, nine hundred eighty-three".