225599401088 has 32 divisors (see below), whose sum is σ = 449502324060. Its totient is φ = 112783131648.

The previous prime is 225599401081. The next prime is 225599401141. The reversal of 225599401088 is 880104995522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 225579402304 + 19998784 = 474952^2 + 4472^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (225599401081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769670 + ... + 1021562.

Almost surely, 2^225599401088 is an apocalyptic number.

It is an amenable number.

225599401088 is a deficient number, since it is larger than the sum of its proper divisors (223902922972).

225599401088 is an equidigital number, since it uses as much as digits as its factorization.

225599401088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258904 (or 258892 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 225599401088 in words is "two hundred twenty-five billion, five hundred ninety-nine million, four hundred one thousand, eighty-eight".