113197229 has 2 divisors, whose sum is σ = 113197230. Its totient is φ = 113197228.

The previous prime is 113197207. The next prime is 113197243. The reversal of 113197229 is 922791311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106296100 + 6901129 = 10310^2 + 2627^2 .

It is a cyclic number.

It is not a de Polignac number, because 113197229 - 2⁸ = 113196973 is a prime.

It is a super-2 number, since 2×113197229² = 25627225306556882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113197729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56598614 + 56598615.

It is an arithmetic number, because the mean of its divisors is an integer number (56598615).

Almost surely, 2^113197229 is an apocalyptic number.

It is an amenable number.

113197229 is a deficient number, since it is larger than the sum of its proper divisors (1).

113197229 is an equidigital number, since it uses as much as digits as its factorization.

113197229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 35.

The square root of 113197229 is about 10639.4186401326. The cubic root of 113197229 is about 483.7399238510.

The spelling of 113197229 in words is "one hundred thirteen million, one hundred ninety-seven thousand, two hundred twenty-nine".