225899299 has 16 divisors (see below), whose sum is σ = 240549120. Its totient is φ = 211760640.

The previous prime is 225899279. The next prime is 225899321. The reversal of 225899299 is 992998522.

It is a cyclic number.

It is not a de Polignac number, because 225899299 - 2²¹ = 223802147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225899239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 371854 + ... + 372460.

It is an arithmetic number, because the mean of its divisors is an integer number (15034320).

Almost surely, 2^225899299 is an apocalyptic number.

225899299 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

225899299 is a deficient number, since it is larger than the sum of its proper divisors (14649821).

225899299 is a wasteful number, since it uses less digits than its factorization.

225899299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990.

The product of its digits is 2099520, while the sum is 55.

The square root of 225899299 is about 15029.9467397593. The cubic root of 225899299 is about 609.0294509697.

The spelling of 225899299 in words is "two hundred twenty-five million, eight hundred ninety-nine thousand, two hundred ninety-nine".