225344057 has 2 divisors, whose sum is σ = 225344058. Its totient is φ = 225344056.

The previous prime is 225343999. The next prime is 225344059. The reversal of 225344057 is 750443522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117267241 + 108076816 = 10829^2 + 10396^2 .

It is a cyclic number.

It is not a de Polignac number, because 225344057 - 2²⁰ = 224295481 is a prime.

Together with 225344059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225344059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112672028 + 112672029.

It is an arithmetic number, because the mean of its divisors is an integer number (112672029).

Almost surely, 2^225344057 is an apocalyptic number.

It is an amenable number.

225344057 is a deficient number, since it is larger than the sum of its proper divisors (1).

225344057 is an equidigital number, since it uses as much as digits as its factorization.

225344057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 225344057 is about 15011.4641857482. The cubic root of 225344057 is about 608.5300600666.

Adding to 225344057 its reverse (750443522), we get a palindrome (975787579).

The spelling of 225344057 in words is "two hundred twenty-five million, three hundred forty-four thousand, fifty-seven".