225243312506 has 8 divisors (see below), whose sum is σ = 357739378740. Its totient is φ = 105996852928.

The previous prime is 225243312499. The next prime is 225243312527. The reversal of 225243312506 is 605213342522.

It can be written as a sum of positive squares in 2 ways, for example, as 224335796881 + 907515625 = 473641^2 + 30125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3312401621 + ... + 3312401688.

Almost surely, 2^225243312506 is an apocalyptic number.

225243312506 is a deficient number, since it is larger than the sum of its proper divisors (132496066234).

225243312506 is a wasteful number, since it uses less digits than its factorization.

225243312506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624803328.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 225243312506 in words is "two hundred twenty-five billion, two hundred forty-three million, three hundred twelve thousand, five hundred six".