113224720 has 40 divisors (see below), whose sum is σ = 300855744. Its totient is φ = 38819712.

The previous prime is 113224711. The next prime is 113224721. The reversal of 113224720 is 27422311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 113224691 and 113224700.

It is not an unprimeable number, because it can be changed into a prime (113224721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100534 + ... + 101653.

Almost surely, 2^113224720 is an apocalyptic number.

113224720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113224720 is an abundant number, since it is smaller than the sum of its proper divisors (187631024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113224720 is a wasteful number, since it uses less digits than its factorization.

113224720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202207 (or 202201 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 113224720 is about 10640.7105025933. The cubic root of 113224720 is about 483.7790809280.

It can be divided in two parts, 1132 and 24720, that added together give a palindrome (25852).

The spelling of 113224720 in words is "one hundred thirteen million, two hundred twenty-four thousand, seven hundred twenty".