22535985 has 16 divisors (see below), whose sum is σ = 36146880. Its totient is φ = 11989440.

The previous prime is 22535963. The next prime is 22536011. The reversal of 22535985 is 58953522.

It is not a de Polignac number, because 22535985 - 2¹¹ = 22533937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5286 + ... + 8544.

It is an arithmetic number, because the mean of its divisors is an integer number (2259180).

Almost surely, 2^22535985 is an apocalyptic number.

It is an amenable number.

22535985 is a deficient number, since it is larger than the sum of its proper divisors (13610895).

22535985 is a wasteful number, since it uses less digits than its factorization.

22535985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728.

The product of its digits is 108000, while the sum is 39.

The square root of 22535985 is about 4747.2081268889. The cubic root of 22535985 is about 282.4612315296.

The spelling of 22535985 in words is "twenty-two million, five hundred thirty-five thousand, nine hundred eighty-five".