225771200 has 42 divisors (see below), whose sum is σ = 555542196. Its totient is φ = 90307840.

The previous prime is 225771193. The next prime is 225771211. The reversal of 225771200 is 2177522.

It is a self number, because there is not a number n which added to its sum of digits gives 225771200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68954 + ... + 72153.

Almost surely, 2^225771200 is an apocalyptic number.

225771200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225771200 is an abundant number, since it is smaller than the sum of its proper divisors (329770996).

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

225771200 is a wasteful number, since it uses less digits than its factorization.

225771200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141129 (or 141114 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 225771200 is about 15025.6846765796. The cubic root of 225771200 is about 608.9143099677.

The spelling of 225771200 in words is "two hundred twenty-five million, seven hundred seventy-one thousand, two hundred".