225923321600 has 54 divisors (see below), whose sum is σ = 559195537320. Its totient is φ = 90369326080.

The previous prime is 225923321563. The next prime is 225923321623. The reversal of 225923321600 is 6123329522.

It is a congruent number.

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, 17643860 + ... + 17656659.

Almost surely, 2^225923321600 is an apocalyptic number.

225923321600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225923321600 is an abundant number, since it is smaller than the sum of its proper divisors (333272215720).

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

225923321600 is an equidigital number, since it uses as much as digits as its factorization.

225923321600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35300545 (or 35300526 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 225923321600 in words is "two hundred twenty-five billion, nine hundred twenty-three million, three hundred twenty-one thousand, six hundred".