225296222500 has 30 divisors (see below), whose sum is σ = 492677784830. Its totient is φ = 90118488000.

The previous prime is 225296222447. The next prime is 225296222513. The reversal of 225296222500 is 5222692522.

It can be written as a sum of positive squares in 5 ways, for example, as 67413968164 + 157882254336 = 259642^2 + 397344^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225296222500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 45056745 + ... + 45061744.

Almost surely, 2^225296222500 is an apocalyptic number.

225296222500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225296222500 is an abundant number, since it is smaller than the sum of its proper divisors (267381562330).

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

225296222500 is an equidigital number, since it uses as much as digits as its factorization.

225296222500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90118513 (or 90118496 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 225296222500 in words is "two hundred twenty-five billion, two hundred ninety-six million, two hundred twenty-two thousand, five hundred".