225491073327 has 24 divisors (see below), whose sum is σ = 350794480400. Its totient is φ = 138751636608.

The previous prime is 225491073289. The next prime is 225491073329. The reversal of 225491073327 is 723370194522.

225491073327 is a `hidden beast` number, since 2 + 2 + 549 + 1 + 0 + 73 + 32 + 7 = 666.

It is not a de Polignac number, because 225491073327 - 2²⁴ = 225474296111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225491073329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1370499 + ... + 1526187.

Almost surely, 2^225491073327 is an apocalyptic number.

225491073327 is a deficient number, since it is larger than the sum of its proper divisors (125303407073).

225491073327 is a wasteful number, since it uses less digits than its factorization.

225491073327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168087 (or 168084 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 225491073327 in words is "two hundred twenty-five billion, four hundred ninety-one million, seventy-three thousand, three hundred twenty-seven".