22263986 has 8 divisors (see below), whose sum is σ = 33433884. Its totient is φ = 11119360.

The previous prime is 22263979. The next prime is 22264001. The reversal of 22263986 is 68936222.

It can be written as a sum of positive squares in 2 ways, for example, as 22231225 + 32761 = 4715^2 + 181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3935 + ... + 7746.

Almost surely, 2^22263986 is an apocalyptic number.

22263986 is a deficient number, since it is larger than the sum of its proper divisors (11169898).

22263986 is a wasteful number, since it uses less digits than its factorization.

22263986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12636.

The product of its digits is 62208, while the sum is 38.

The square root of 22263986 is about 4718.4728461654. The cubic root of 22263986 is about 281.3202362199.

The spelling of 22263986 in words is "twenty-two million, two hundred sixty-three thousand, nine hundred eighty-six".