22276986 has 8 divisors (see below), whose sum is σ = 44553984. Its totient is φ = 7425660.

The previous prime is 22276979. The next prime is 22276993. The reversal of 22276986 is 68967222.

It is an interprime number because it is at equal distance from previous prime (22276979) and next prime (22276993).

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

22276986 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856410 + ... + 1856421.

It is an arithmetic number, because the mean of its divisors is an integer number (5569248).

Almost surely, 2^22276986 is an apocalyptic number.

22276986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22276986 is a wasteful number, since it uses less digits than its factorization.

22276986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712836.

The product of its digits is 145152, while the sum is 42.

The square root of 22276986 is about 4719.8502094876. The cubic root of 22276986 is about 281.3749801082.

The spelling of 22276986 in words is "twenty-two million, two hundred seventy-six thousand, nine hundred eighty-six".