22238986 has 16 divisors (see below), whose sum is σ = 41590080. Its totient is φ = 8664480.

The previous prime is 22238971. The next prime is 22239001. The reversal of 22238986 is 68983222.

22238986 is nontrivially palindromic in base 15.

It is an interprime number because it is at equal distance from previous prime (22238971) and next prime (22239001).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72051 + ... + 72358.

It is an arithmetic number, because the mean of its divisors is an integer number (2599380).

Almost surely, 2^22238986 is an apocalyptic number.

22238986 is a deficient number, since it is larger than the sum of its proper divisors (19351094).

22238986 is a wasteful number, since it uses less digits than its factorization.

22238986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144429.

The product of its digits is 82944, while the sum is 40.

The square root of 22238986 is about 4715.8229398484. The cubic root of 22238986 is about 281.2148995867.

The spelling of 22238986 in words is "twenty-two million, two hundred thirty-eight thousand, nine hundred eighty-six".