225292799 has 2 divisors, whose sum is σ = 225292800. Its totient is φ = 225292798.

The previous prime is 225292783. The next prime is 225292811. The reversal of 225292799 is 997292522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225292799 - 2⁴ = 225292783 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225292759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112646399 + 112646400.

It is an arithmetic number, because the mean of its divisors is an integer number (112646400).

Almost surely, 2^225292799 is an apocalyptic number.

225292799 is a deficient number, since it is larger than the sum of its proper divisors (1).

225292799 is an equidigital number, since it uses as much as digits as its factorization.

225292799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 47.

The square root of 225292799 is about 15009.7567934994. The cubic root of 225292799 is about 608.4839167016.

The spelling of 225292799 in words is "two hundred twenty-five million, two hundred ninety-two thousand, seven hundred ninety-nine".