113218444 has 12 divisors (see below), whose sum is σ = 199579464. Its totient is φ = 56195744.

The previous prime is 113218439. The next prime is 113218459. The reversal of 113218444 is 444812311.

It is a super-2 number, since 2×113218444² = 25636832123562272, 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, 102754 + ... + 103849.

It is an arithmetic number, because the mean of its divisors is an integer number (16631622).

Almost surely, 2^113218444 is an apocalyptic number.

It is an amenable number.

113218444 is a deficient number, since it is larger than the sum of its proper divisors (86361020).

113218444 is a wasteful number, since it uses less digits than its factorization.

113218444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206744 (or 206742 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 113218444 is about 10640.4155933873. The cubic root of 113218444 is about 483.7701422038.

The spelling of 113218444 in words is "one hundred thirteen million, two hundred eighteen thousand, four hundred forty-four".