225355579 has 2 divisors, whose sum is σ = 225355580. Its totient is φ = 225355578.

The previous prime is 225355577. The next prime is 225355591. The reversal of 225355579 is 975553522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225355579 - 2¹ = 225355577 is a prime.

Together with 225355577, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (225355577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112677789 + 112677790.

It is an arithmetic number, because the mean of its divisors is an integer number (112677790).

Almost surely, 2^225355579 is an apocalyptic number.

225355579 is a deficient number, since it is larger than the sum of its proper divisors (1).

225355579 is an equidigital number, since it uses as much as digits as its factorization.

225355579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 472500, while the sum is 43.

The square root of 225355579 is about 15011.8479541994. The cubic root of 225355579 is about 608.5404314130.

The spelling of 225355579 in words is "two hundred twenty-five million, three hundred fifty-five thousand, five hundred seventy-nine".