22386985 has 16 divisors (see below), whose sum is σ = 27977040. Its totient is φ = 17176320.

The previous prime is 22386937. The next prime is 22387003. The reversal of 22386985 is 58968322.

It can be written as a sum of positive squares in 8 ways, for example, as 8637721 + 13749264 = 2939^2 + 3708^2 .

It is not a de Polignac number, because 22386985 - 2¹⁵ = 22354217 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, 25819 + ... + 26671.

It is an arithmetic number, because the mean of its divisors is an integer number (1748565).

Almost surely, 2^22386985 is an apocalyptic number.

It is an amenable number.

22386985 is a deficient number, since it is larger than the sum of its proper divisors (5590055).

22386985 is a wasteful number, since it uses less digits than its factorization.

22386985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068.

The product of its digits is 207360, while the sum is 43.

The square root of 22386985 is about 4731.4886663713. The cubic root of 22386985 is about 281.8373431143.

The spelling of 22386985 in words is "twenty-two million, three hundred eighty-six thousand, nine hundred eighty-five".