22620983 has 32 divisors (see below), whose sum is σ = 30108672. Its totient is φ = 16473600.

The previous prime is 22620973. The next prime is 22621003. The reversal of 22620983 is 38902622.

22620983 = T₃₂₂ + T₃₂₃ + ... + T₅₅₂.

It is not a de Polignac number, because 22620983 - 2²⁰ = 21572407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22620943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93743 + ... + 93983.

It is an arithmetic number, because the mean of its divisors is an integer number (940896).

Almost surely, 2^22620983 is an apocalyptic number.

22620983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22620983 is a deficient number, since it is larger than the sum of its proper divisors (7487689).

22620983 is a wasteful number, since it uses less digits than its factorization.

22620983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 22620983 is about 4756.1521212005. The cubic root of 22620983 is about 282.8159016084.

The spelling of 22620983 in words is "twenty-two million, six hundred twenty thousand, nine hundred eighty-three".