225118037 has 2 divisors, whose sum is σ = 225118038. Its totient is φ = 225118036.

The previous prime is 225118021. The next prime is 225118079. The reversal of 225118037 is 730811522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135512881 + 89605156 = 11641^2 + 9466^2 .

It is a cyclic number.

It is not a de Polignac number, because 225118037 - 2⁴ = 225118021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225118087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112559018 + 112559019.

It is an arithmetic number, because the mean of its divisors is an integer number (112559019).

Almost surely, 2^225118037 is an apocalyptic number.

It is an amenable number.

225118037 is a deficient number, since it is larger than the sum of its proper divisors (1).

225118037 is an equidigital number, since it uses as much as digits as its factorization.

225118037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 225118037 is about 15003.9340507748. The cubic root of 225118037 is about 608.3265402048.

Adding to 225118037 its reverse (730811522), we get a palindrome (955929559).

The spelling of 225118037 in words is "two hundred twenty-five million, one hundred eighteen thousand, thirty-seven".