113102225 has 12 divisors (see below), whose sum is σ = 140379036. Its totient is φ = 90396480.

The previous prime is 113102153. The next prime is 113102239. The reversal of 113102225 is 522201311.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 17297281 + 95804944 = 4159^2 + 9788^2 .

It is not a de Polignac number, because 113102225 - 2¹⁰ = 113101201 is a prime.

It is a super-2 number, since 2×113102225² = 25584226599901250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48179 + ... + 50471.

It is an arithmetic number, because the mean of its divisors is an integer number (11698253).

Almost surely, 2^113102225 is an apocalyptic number.

It is an amenable number.

113102225 is a deficient number, since it is larger than the sum of its proper divisors (27276811).

113102225 is a wasteful number, since it uses less digits than its factorization.

113102225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276 (or 4271 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 113102225 is about 10634.9529853216. The cubic root of 113102225 is about 483.6045551348.

Adding to 113102225 its reverse (522201311), we get a palindrome (635303536).

The spelling of 113102225 in words is "one hundred thirteen million, one hundred two thousand, two hundred twenty-five".