225570271 has 2 divisors, whose sum is σ = 225570272. Its totient is φ = 225570270.

The previous prime is 225570259. The next prime is 225570277. The reversal of 225570271 is 172075522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225570271 - 2²¹ = 223473119 is a 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 (225570277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112785135 + 112785136.

It is an arithmetic number, because the mean of its divisors is an integer number (112785136).

Almost surely, 2^225570271 is an apocalyptic number.

225570271 is a deficient number, since it is larger than the sum of its proper divisors (1).

225570271 is an equidigital number, since it uses as much as digits as its factorization.

225570271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 225570271 is about 15018.9970037949. The cubic root of 225570271 is about 608.7336183992.

The spelling of 225570271 in words is "two hundred twenty-five million, five hundred seventy thousand, two hundred seventy-one".