225796400 has 30 divisors (see below), whose sum is σ = 542476812. Its totient is φ = 90318400.

The previous prime is 225796393. The next prime is 225796421. The reversal of 225796400 is 4697522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281846 + ... + 282645.

Almost surely, 2^225796400 is an apocalyptic number.

225796400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225796400 is an abundant number, since it is smaller than the sum of its proper divisors (316680412).

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

225796400 is a wasteful number, since it uses less digits than its factorization.

225796400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564509 (or 564498 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 225796400 is about 15026.5232172981. The cubic root of 225796400 is about 608.9369642740.

The spelling of 225796400 in words is "two hundred twenty-five million, seven hundred ninety-six thousand, four hundred".