225265066 has 16 divisors (see below), whose sum is σ = 364143528. Its totient is φ = 103896000.

The previous prime is 225265063. The next prime is 225265081. The reversal of 225265066 is 660562522.

It can be written as a sum of positive squares in 4 ways, for example, as 161823841 + 63441225 = 12721^2 + 7965^2 .

It is not an unprimeable number, because it can be changed into a prime (225265063) 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, 59016 + ... + 62716.

Almost surely, 2^225265066 is an apocalyptic number.

225265066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

225265066 is a deficient number, since it is larger than the sum of its proper divisors (138878462).

225265066 is a wasteful number, since it uses less digits than its factorization.

225265066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 225265066 is about 15008.8329326434. The cubic root of 225265066 is about 608.4589480431.

The spelling of 225265066 in words is "two hundred twenty-five million, two hundred sixty-five thousand, sixty-six".