225267929 has 2 divisors, whose sum is σ = 225267930. Its totient is φ = 225267928.

The previous prime is 225267919. The next prime is 225267949. The reversal of 225267929 is 929762522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186267904 + 39000025 = 13648^2 + 6245^2 .

It is a cyclic number.

It is not a de Polignac number, because 225267929 - 2²⁴ = 208490713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225267929.

It is not a weakly prime, because it can be changed into another prime (225267919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112633964 + 112633965.

It is an arithmetic number, because the mean of its divisors is an integer number (112633965).

Almost surely, 2^225267929 is an apocalyptic number.

It is an amenable number.

225267929 is a deficient number, since it is larger than the sum of its proper divisors (1).

225267929 is an equidigital number, since it uses as much as digits as its factorization.

225267929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 225267929 is about 15008.9283095096. The cubic root of 225267929 is about 608.4615257628.

The spelling of 225267929 in words is "two hundred twenty-five million, two hundred sixty-seven thousand, nine hundred twenty-nine".