113438224 has 10 divisors (see below), whose sum is σ = 219786590. Its totient is φ = 56719104.

The previous prime is 113438209. The next prime is 113438239. The reversal of 113438224 is 422834311.

It is an interprime number because it is at equal distance from previous prime (113438209) and next prime (113438239).

It can be written as a sum of positive squares in only one way, i.e., 89113600 + 24324624 = 9440^2 + 4932^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113438192 and 113438201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3544929 + ... + 3544960.

It is an arithmetic number, because the mean of its divisors is an integer number (21978659).

Almost surely, 2^113438224 is an apocalyptic number.

It is an amenable number.

113438224 is a deficient number, since it is larger than the sum of its proper divisors (106348366).

113438224 is an equidigital number, since it uses as much as digits as its factorization.

113438224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7089897 (or 7089891 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 113438224 is about 10650.7381903791. The cubic root of 113438224 is about 484.0829719102.

The spelling of 113438224 in words is "one hundred thirteen million, four hundred thirty-eight thousand, two hundred twenty-four".