225166452 has 24 divisors (see below), whose sum is σ = 600444096. Its totient is φ = 64333248.

The previous prime is 225166439. The next prime is 225166457. The reversal of 225166452 is 254661522.

It is a super-2 number, since 2×225166452² = 101399862212536608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225166457) 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, 1340193 + ... + 1340360.

It is an arithmetic number, because the mean of its divisors is an integer number (25018504).

Almost surely, 2^225166452 is an apocalyptic number.

It is an amenable number.

225166452 is an abundant number, since it is smaller than the sum of its proper divisors (375277644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225166452 is a wasteful number, since it uses less digits than its factorization.

225166452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680567 (or 2680565 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 225166452 is about 15005.5473742213. The cubic root of 225166452 is about 608.3701469851.

The spelling of 225166452 in words is "two hundred twenty-five million, one hundred sixty-six thousand, four hundred fifty-two".