225512349 has 16 divisors (see below), whose sum is σ = 318796800. Its totient is φ = 141399216.

The previous prime is 225512347. The next prime is 225512359. The reversal of 225512349 is 943215522.

It is not a de Polignac number, because 225512349 - 2¹ = 225512347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225512347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6309 + ... + 22154.

It is an arithmetic number, because the mean of its divisors is an integer number (19924800).

Almost surely, 2^225512349 is an apocalyptic number.

It is an amenable number.

225512349 is a deficient number, since it is larger than the sum of its proper divisors (93284451).

225512349 is a wasteful number, since it uses less digits than its factorization.

225512349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28624.

The product of its digits is 21600, while the sum is 33.

The square root of 225512349 is about 15017.0685887759. The cubic root of 225512349 is about 608.6815103401.

The spelling of 225512349 in words is "two hundred twenty-five million, five hundred twelve thousand, three hundred forty-nine".