225839400 has 48 divisors (see below), whose sum is σ = 700104000. Its totient is φ = 60223680.

The previous prime is 225839387. The next prime is 225839429. The reversal of 225839400 is 4938522.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187600 + ... + 188799.

It is an arithmetic number, because the mean of its divisors is an integer number (14585500).

Almost surely, 2^225839400 is an apocalyptic number.

225839400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225839400 is an abundant number, since it is smaller than the sum of its proper divisors (474264600).

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

225839400 is a wasteful number, since it uses less digits than its factorization.

225839400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376418 (or 376409 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 225839400 is about 15027.9539525512. The cubic root of 225839400 is about 608.9756165399.

The spelling of 225839400 in words is "two hundred twenty-five million, eight hundred thirty-nine thousand, four hundred".