22328986 has 4 divisors (see below), whose sum is σ = 33493482. Its totient is φ = 11164492.

The previous prime is 22328951. The next prime is 22328987. The reversal of 22328986 is 68982322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22268961 + 60025 = 4719^2 + 245^2 .

It is a super-3 number, since 3×22328986³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22328987) by changing a digit.

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 as a sum of consecutive naturals, namely, 5582245 + ... + 5582248.

Almost surely, 2^22328986 is an apocalyptic number.

22328986 is a deficient number, since it is larger than the sum of its proper divisors (11164496).

22328986 is a wasteful number, since it uses less digits than its factorization.

22328986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11164495.

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

The square root of 22328986 is about 4725.3556479910. The cubic root of 22328986 is about 281.5937429336.

The spelling of 22328986 in words is "twenty-two million, three hundred twenty-eight thousand, nine hundred eighty-six".