22280986 has 24 divisors (see below), whose sum is σ = 41871060. Its totient is φ = 8813952.

The previous prime is 22280983. The next prime is 22280989. The reversal of 22280986 is 68908222.

It is an interprime number because it is at equal distance from previous prime (22280983) and next prime (22280989).

It can be written as a sum of positive squares in 2 ways, for example, as 15752961 + 6528025 = 3969^2 + 2555^2 .

It is not an unprimeable number, because it can be changed into a prime (22280981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7471 + ... + 10018.

Almost surely, 2^22280986 is an apocalyptic number.

22280986 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22280986 is a deficient number, since it is larger than the sum of its proper divisors (19590074).

22280986 is a wasteful number, since it uses less digits than its factorization.

22280986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17518 (or 17511 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 22280986 is about 4720.2739327289. The cubic root of 22280986 is about 281.3918200967.

The spelling of 22280986 in words is "twenty-two million, two hundred eighty thousand, nine hundred eighty-six".