225266566 has 16 divisors (see below), whose sum is σ = 387125280. Its totient is φ = 96304320.

The previous prime is 225266537. The next prime is 225266567. The reversal of 225266566 is 665662522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225266567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13945 + ... + 25396.

It is an arithmetic number, because the mean of its divisors is an integer number (24195330).

Almost surely, 2^225266566 is an apocalyptic number.

225266566 is a deficient number, since it is larger than the sum of its proper divisors (161858714).

225266566 is a wasteful number, since it uses less digits than its factorization.

225266566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39759.

The product of its digits is 259200, while the sum is 40.

The square root of 225266566 is about 15008.8829031344. The cubic root of 225266566 is about 608.4602985800.

It can be divided in two parts, 22526 and 6566, that added together give a palindrome (29092).

The spelling of 225266566 in words is "two hundred twenty-five million, two hundred sixty-six thousand, five hundred sixty-six".