225559559 has 2 divisors, whose sum is σ = 225559560. Its totient is φ = 225559558.

The previous prime is 225559541. The next prime is 225559571. The reversal of 225559559 is 955955522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225559559 - 2¹⁶ = 225494023 is a prime.

It is a super-2 number, since 2×225559559² = 101754229312548962, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225556559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112779779 + 112779780.

It is an arithmetic number, because the mean of its divisors is an integer number (112779780).

Almost surely, 2^225559559 is an apocalyptic number.

225559559 is a deficient number, since it is larger than the sum of its proper divisors (1).

225559559 is an equidigital number, since it uses as much as digits as its factorization.

225559559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1012500, while the sum is 47.

The square root of 225559559 is about 15018.6403845355. The cubic root of 225559559 is about 608.7239822923.

The spelling of 225559559 in words is "two hundred twenty-five million, five hundred fifty-nine thousand, five hundred fifty-nine".