225733237 has 2 divisors, whose sum is σ = 225733238. Its totient is φ = 225733236.

The previous prime is 225733231. The next prime is 225733267. The reversal of 225733237 is 732337522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202606756 + 23126481 = 14234^2 + 4809^2 .

It is a cyclic number.

It is not a de Polignac number, because 225733237 - 2¹⁵ = 225700469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225733231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112866618 + 112866619.

It is an arithmetic number, because the mean of its divisors is an integer number (112866619).

Almost surely, 2^225733237 is an apocalyptic number.

It is an amenable number.

225733237 is a deficient number, since it is larger than the sum of its proper divisors (1).

225733237 is an equidigital number, since it uses as much as digits as its factorization.

225733237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 34.

The square root of 225733237 is about 15024.4213532502. The cubic root of 225733237 is about 608.8801787916.

The spelling of 225733237 in words is "two hundred twenty-five million, seven hundred thirty-three thousand, two hundred thirty-seven".