225043299 has 32 divisors (see below), whose sum is σ = 360227840. Its totient is φ = 138031776.

The previous prime is 225043279. The next prime is 225043319. The reversal of 225043299 is 992340522.

It is an interprime number because it is at equal distance from previous prime (225043279) and next prime (225043319).

It is not a de Polignac number, because 225043299 - 2⁷ = 225043171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225043279) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127944 + ... + 129690.

It is an arithmetic number, because the mean of its divisors is an integer number (11257120).

Almost surely, 2^225043299 is an apocalyptic number.

225043299 is a deficient number, since it is larger than the sum of its proper divisors (135184541).

225043299 is a wasteful number, since it uses less digits than its factorization.

225043299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136 (or 2130 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 225043299 is about 15001.4432305695. The cubic root of 225043299 is about 608.2592123533.

The spelling of 225043299 in words is "two hundred twenty-five million, forty-three thousand, two hundred ninety-nine".