225964457 has 2 divisors, whose sum is σ = 225964458. Its totient is φ = 225964456.

The previous prime is 225964451. The next prime is 225964471. The reversal of 225964457 is 754469522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197009296 + 28955161 = 14036^2 + 5381^2 .

It is a cyclic number.

It is not a de Polignac number, because 225964457 - 2⁶ = 225964393 is a prime.

It is not a weakly prime, because it can be changed into another prime (225964451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112982228 + 112982229.

It is an arithmetic number, because the mean of its divisors is an integer number (112982229).

Almost surely, 2^225964457 is an apocalyptic number.

It is an amenable number.

225964457 is a deficient number, since it is larger than the sum of its proper divisors (1).

225964457 is an equidigital number, since it uses as much as digits as its factorization.

225964457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 44.

The square root of 225964457 is about 15032.1141892949. The cubic root of 225964457 is about 609.0880011384.

The spelling of 225964457 in words is "two hundred twenty-five million, nine hundred sixty-four thousand, four hundred fifty-seven".