225118519 has 2 divisors, whose sum is σ = 225118520. Its totient is φ = 225118518.

The previous prime is 225118513. The next prime is 225118541. The reversal of 225118519 is 915811522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225118519 - 2¹¹ = 225116471 is a prime.

It is a super-2 number, since 2×225118519² = 101356695193506722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225118513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112559259 + 112559260.

It is an arithmetic number, because the mean of its divisors is an integer number (112559260).

Almost surely, 2^225118519 is an apocalyptic number.

225118519 is a deficient number, since it is larger than the sum of its proper divisors (1).

225118519 is an equidigital number, since it uses as much as digits as its factorization.

225118519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 34.

The square root of 225118519 is about 15003.9501132202. The cubic root of 225118519 is about 608.3269743669.

The spelling of 225118519 in words is "two hundred twenty-five million, one hundred eighteen thousand, five hundred nineteen".