225447299 has 16 divisors (see below), whose sum is σ = 282508800. Its totient is φ = 174778560.

The previous prime is 225447289. The next prime is 225447349. The reversal of 225447299 is 992744522.

It is a happy number.

It is not a de Polignac number, because 225447299 - 2⁸ = 225447043 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (225447239) 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, 7967 + ... + 22679.

It is an arithmetic number, because the mean of its divisors is an integer number (17656800).

Almost surely, 2^225447299 is an apocalyptic number.

225447299 is a deficient number, since it is larger than the sum of its proper divisors (57061501).

225447299 is a wasteful number, since it uses less digits than its factorization.

225447299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14930.

The product of its digits is 362880, while the sum is 44.

The square root of 225447299 is about 15014.9025637864. The cubic root of 225447299 is about 608.6229791183.

The spelling of 225447299 in words is "two hundred twenty-five million, four hundred forty-seven thousand, two hundred ninety-nine".