113224637 has 2 divisors, whose sum is σ = 113224638. Its totient is φ = 113224636.

The previous prime is 113224627. The next prime is 113224681. The reversal of 113224637 is 736422311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111281401 + 1943236 = 10549^2 + 1394^2 .

It is a cyclic number.

It is not a de Polignac number, because 113224637 - 2¹⁰ = 113223613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113224627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56612318 + 56612319.

It is an arithmetic number, because the mean of its divisors is an integer number (56612319).

Almost surely, 2^113224637 is an apocalyptic number.

It is an amenable number.

113224637 is a deficient number, since it is larger than the sum of its proper divisors (1).

113224637 is an equidigital number, since it uses as much as digits as its factorization.

113224637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 113224637 is about 10640.7066024771. The cubic root of 113224637 is about 483.7789627156.

Adding to 113224637 its reverse (736422311), we get a palindrome (849646948).

The spelling of 113224637 in words is "one hundred thirteen million, two hundred twenty-four thousand, six hundred thirty-seven".