225264881 has 2 divisors, whose sum is σ = 225264882. Its totient is φ = 225264880.

The previous prime is 225264863. The next prime is 225264889. The reversal of 225264881 is 188462522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171741025 + 53523856 = 13105^2 + 7316^2 .

It is a cyclic number.

It is not a de Polignac number, because 225264881 - 2¹⁴ = 225248497 is a prime.

It is a super-2 number, since 2×225264881² = 101488533223888322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225264889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112632440 + 112632441.

It is an arithmetic number, because the mean of its divisors is an integer number (112632441).

Almost surely, 2^225264881 is an apocalyptic number.

It is an amenable number.

225264881 is a deficient number, since it is larger than the sum of its proper divisors (1).

225264881 is an equidigital number, since it uses as much as digits as its factorization.

225264881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61440, while the sum is 38.

The square root of 225264881 is about 15008.8267696046. The cubic root of 225264881 is about 608.4587814764.

The spelling of 225264881 in words is "two hundred twenty-five million, two hundred sixty-four thousand, eight hundred eighty-one".