225405568 has 16 divisors (see below), whose sum is σ = 449050410. Its totient is φ = 112702720.

The previous prime is 225405559. The next prime is 225405581. The reversal of 225405568 is 865504522.

225405568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 187361344 + 38044224 = 13688^2 + 6168^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 880363 + ... + 880618.

Almost surely, 2^225405568 is an apocalyptic number.

It is an amenable number.

225405568 is a deficient number, since it is larger than the sum of its proper divisors (223644842).

225405568 is an equidigital number, since it uses as much as digits as its factorization.

225405568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760995 (or 1760983 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 225405568 is about 15013.5128467657. The cubic root of 225405568 is about 608.5854241289.

The spelling of 225405568 in words is "two hundred twenty-five million, four hundred five thousand, five hundred sixty-eight".