225465211 has 12 divisors (see below), whose sum is σ = 234732000. Its totient is φ = 216503280.

The previous prime is 225465199. The next prime is 225465241. The reversal of 225465211 is 112564522.

It is not a de Polignac number, because 225465211 - 2²³ = 217076603 is a prime.

It is a super-2 number, since 2×225465211² = 101669122742549042, which contains 22 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 225465211.

It is not an unprimeable number, because it can be changed into a prime (225465241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111790 + ... + 113788.

It is an arithmetic number, because the mean of its divisors is an integer number (19561000).

Almost surely, 2^225465211 is an apocalyptic number.

225465211 is a deficient number, since it is larger than the sum of its proper divisors (9266789).

225465211 is an equidigital number, since it uses as much as digits as its factorization.

225465211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146 (or 2103 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 225465211 is about 15015.4990260064. The cubic root of 225465211 is about 608.6390972475.

The spelling of 225465211 in words is "two hundred twenty-five million, four hundred sixty-five thousand, two hundred eleven".