113021224 has 8 divisors (see below), whose sum is σ = 211914810. Its totient is φ = 56510608.

The previous prime is 113021221. The next prime is 113021231. The reversal of 113021224 is 422120311.

It can be written as a sum of positive squares in only one way, i.e., 81324324 + 31696900 = 9018^2 + 5630^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 113021198 and 113021207.

It is not an unprimeable number, because it can be changed into a prime (113021221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7063819 + ... + 7063834.

Almost surely, 2^113021224 is an apocalyptic number.

It is an amenable number.

113021224 is a deficient number, since it is larger than the sum of its proper divisors (98893586).

113021224 is a wasteful number, since it uses less digits than its factorization.

113021224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14127659 (or 14127655 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 113021224 is about 10631.1440588490. The cubic root of 113021224 is about 483.4890790460.

Adding to 113021224 its reverse (422120311), we get a palindrome (535141535).

The spelling of 113021224 in words is "one hundred thirteen million, twenty-one thousand, two hundred twenty-four".