225270719 has 2 divisors, whose sum is σ = 225270720. Its totient is φ = 225270718.

The previous prime is 225270713. The next prime is 225270733. The reversal of 225270719 is 917072522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225270719 - 2²⁰ = 224222143 is a prime.

It is a super-2 number, since 2×225270719² = 101493793677553922, which contains 22 as substring.

It is a Sophie Germain 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 (225270713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112635359 + 112635360.

It is an arithmetic number, because the mean of its divisors is an integer number (112635360).

Almost surely, 2^225270719 is an apocalyptic number.

225270719 is a deficient number, since it is larger than the sum of its proper divisors (1).

225270719 is an equidigital number, since it uses as much as digits as its factorization.

225270719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 225270719 is about 15009.0212538993. The cubic root of 225270719 is about 608.4640377354.

The spelling of 225270719 in words is "two hundred twenty-five million, two hundred seventy thousand, seven hundred nineteen".