225042115 has 8 divisors (see below), whose sum is σ = 274477968. Its totient is φ = 177082080.

The previous prime is 225042109. The next prime is 225042127. The reversal of 225042115 is 511240522.

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

It is not a de Polignac number, because 225042115 - 2⁷ = 225041987 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 368617 + ... + 369226.

It is an arithmetic number, because the mean of its divisors is an integer number (34309746).

Almost surely, 2^225042115 is an apocalyptic number.

225042115 is a deficient number, since it is larger than the sum of its proper divisors (49435853).

225042115 is an equidigital number, since it uses as much as digits as its factorization.

225042115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737909.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 225042115 is about 15001.4037676479. The cubic root of 225042115 is about 608.2581456250.

Adding to 225042115 its reverse (511240522), we get a palindrome (736282637).

The spelling of 225042115 in words is "two hundred twenty-five million, forty-two thousand, one hundred fifteen".