113221986 has 8 divisors (see below), whose sum is σ = 226443984. Its totient is φ = 37740660.

The previous prime is 113221957. The next prime is 113222009. The reversal of 113221986 is 689122311.

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

113221986 is an admirable number.

It is a super-2 number, since 2×113221986² = 25638436227568392, which contains 22 as substring.

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, 9435160 + ... + 9435171.

It is an arithmetic number, because the mean of its divisors is an integer number (28305498).

Almost surely, 2^113221986 is an apocalyptic number.

113221986 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.

113221986 is a wasteful number, since it uses less digits than its factorization.

113221986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18870336.

The product of its digits is 5184, while the sum is 33.

The square root of 113221986 is about 10640.5820329529. The cubic root of 113221986 is about 483.7751870119.

The spelling of 113221986 in words is "one hundred thirteen million, two hundred twenty-one thousand, nine hundred eighty-six".