225651250 has 40 divisors (see below), whose sum is σ = 461439792. Its totient is φ = 82050000.

The previous prime is 225651241. The next prime is 225651253. The reversal of 225651250 is 52156522.

225651250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×225651250³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (225651253) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5545 + ... + 21955.

Almost surely, 2^225651250 is an apocalyptic number.

225651250 is an abundant number, since it is smaller than the sum of its proper divisors (235788542).

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

225651250 is a wasteful number, since it uses less digits than its factorization.

225651250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16444 (or 16429 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 225651250 is about 15021.6926476346. The cubic root of 225651250 is about 608.8064541527.

The spelling of 225651250 in words is "two hundred twenty-five million, six hundred fifty-one thousand, two hundred fifty".