225527311 has 4 divisors (see below), whose sum is σ = 228703824. Its totient is φ = 222350800.

The previous prime is 225527279. The next prime is 225527317. The reversal of 225527311 is 113725522.

225527311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225527311 - 2⁵ = 225527279 is a prime.

It is a super-3 number, since 3×225527311³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225527311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225527317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1588150 + ... + 1588291.

It is an arithmetic number, because the mean of its divisors is an integer number (57175956).

Almost surely, 2^225527311 is an apocalyptic number.

225527311 is a deficient number, since it is larger than the sum of its proper divisors (3176513).

225527311 is an equidigital number, since it uses as much as digits as its factorization.

225527311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176512.

The product of its digits is 4200, while the sum is 28.

The square root of 225527311 is about 15017.5667469800. The cubic root of 225527311 is about 608.6949713788.

The spelling of 225527311 in words is "two hundred twenty-five million, five hundred twenty-seven thousand, three hundred eleven".