22158983 has 16 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 16843200.

The previous prime is 22158979. The next prime is 22158989. The reversal of 22158983 is 38985122.

It is not a de Polignac number, because 22158983 - 2² = 22158979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22158989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353 + ... + 6666.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 2^22158983 is an apocalyptic number.

22158983 is a deficient number, since it is larger than the sum of its proper divisors (6145657).

22158983 is a wasteful number, since it uses less digits than its factorization.

22158983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078.

The product of its digits is 34560, while the sum is 38.

The square root of 22158983 is about 4707.3328966624. The cubic root of 22158983 is about 280.8772782586.

The spelling of 22158983 in words is "twenty-two million, one hundred fifty-eight thousand, nine hundred eighty-three".