225515099 has 8 divisors (see below), whose sum is σ = 232109568. Its totient is φ = 219015720.

The previous prime is 225515083. The next prime is 225515113. The reversal of 225515099 is 990515522.

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

It is a cyclic number.

It is not a de Polignac number, because 225515099 - 2⁴ = 225515083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225515039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18947 + ... + 28460.

It is an arithmetic number, because the mean of its divisors is an integer number (29013696).

Almost surely, 2^225515099 is an apocalyptic number.

225515099 is a deficient number, since it is larger than the sum of its proper divisors (6594469).

225515099 is an equidigital number, since it uses as much as digits as its factorization.

225515099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47545.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 225515099 is about 15017.1601509740. The cubic root of 225515099 is about 608.6839845096.

The spelling of 225515099 in words is "two hundred twenty-five million, five hundred fifteen thousand, ninety-nine".