113447228 has 12 divisors (see below), whose sum is σ = 204937152. Its totient is φ = 54893760.

The previous prime is 113447227. The next prime is 113447261. The reversal of 113447228 is 822744311.

It is a junction number, because it is equal to n+sod(n) for n = 113447194 and 113447203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113447221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457325 + ... + 457572.

It is an arithmetic number, because the mean of its divisors is an integer number (17078096).

Almost surely, 2^113447228 is an apocalyptic number.

It is an amenable number.

113447228 is a deficient number, since it is larger than the sum of its proper divisors (91489924).

113447228 is a wasteful number, since it uses less digits than its factorization.

113447228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914932 (or 914930 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 113447228 is about 10651.1608756980. The cubic root of 113447228 is about 484.0957793737.

The spelling of 113447228 in words is "one hundred thirteen million, four hundred forty-seven thousand, two hundred twenty-eight".