22528983 has 16 divisors (see below), whose sum is σ = 31749120. Its totient is φ = 14181024.

The previous prime is 22528963. The next prime is 22528991. The reversal of 22528983 is 38982522.

It is not a de Polignac number, because 22528983 - 2¹⁶ = 22463447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22528943) 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, 3385 + ... + 7517.

It is an arithmetic number, because the mean of its divisors is an integer number (1984320).

Almost surely, 2^22528983 is an apocalyptic number.

22528983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22528983 is a deficient number, since it is larger than the sum of its proper divisors (9220137).

22528983 is a wasteful number, since it uses less digits than its factorization.

22528983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238.

The product of its digits is 69120, while the sum is 39.

The square root of 22528983 is about 4746.4705834968. The cubic root of 22528983 is about 282.4319746409.

The spelling of 22528983 in words is "twenty-two million, five hundred twenty-eight thousand, nine hundred eighty-three".