225556365 has 16 divisors (see below), whose sum is σ = 361882368. Its totient is φ = 119966016.

The previous prime is 225556343. The next prime is 225556369. The reversal of 225556365 is 563655522.

It is not a de Polignac number, because 225556365 - 2⁵ = 225556333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225556369) 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 in 15 ways as a sum of consecutive naturals, for example, 14982 + ... + 25991.

It is an arithmetic number, because the mean of its divisors is an integer number (22617648).

Almost surely, 2^225556365 is an apocalyptic number.

It is an amenable number.

225556365 is a deficient number, since it is larger than the sum of its proper divisors (136326003).

225556365 is a wasteful number, since it uses less digits than its factorization.

225556365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41348.

The product of its digits is 270000, while the sum is 39.

The square root of 225556365 is about 15018.5340496335. The cubic root of 225556365 is about 608.7211090326.

It can be divided in two parts, 22555 and 6365, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 225556365 in words is "two hundred twenty-five million, five hundred fifty-six thousand, three hundred sixty-five".