22827986 has 8 divisors (see below), whose sum is σ = 34284684. Its totient is φ = 11399760.

The previous prime is 22827977. The next prime is 22827989. The reversal of 22827986 is 68972822.

It can be written as a sum of positive squares in 2 ways, for example, as 17850625 + 4977361 = 4225^2 + 2231^2 .

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

It is a super-2 number, since 2×22827986² = 1042233889632392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22827989) 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 in 3 ways as a sum of consecutive naturals, for example, 4985 + ... + 8396.

Almost surely, 2^22827986 is an apocalyptic number.

22827986 is a deficient number, since it is larger than the sum of its proper divisors (11456698).

22827986 is a wasteful number, since it uses less digits than its factorization.

22827986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14236.

The product of its digits is 193536, while the sum is 44.

The square root of 22827986 is about 4777.8641671776. The cubic root of 22827986 is about 283.6759595158.

The spelling of 22827986 in words is "twenty-two million, eight hundred twenty-seven thousand, nine hundred eighty-six".