225224515 has 8 divisors (see below), whose sum is σ = 270766800. Its totient is φ = 179848032.

The previous prime is 225224459. The next prime is 225224539. The reversal of 225224515 is 515422522.

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 225224515 - 2²⁷ = 91006787 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38440 + ... + 43909.

It is an arithmetic number, because the mean of its divisors is an integer number (33845850).

Almost surely, 2^225224515 is an apocalyptic number.

225224515 is a deficient number, since it is larger than the sum of its proper divisors (45542285).

225224515 is an equidigital number, since it uses as much as digits as its factorization.

225224515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82901.

The product of its digits is 8000, while the sum is 28.

The square root of 225224515 is about 15007.4819673388. The cubic root of 225224515 is about 608.4224353547.

The spelling of 225224515 in words is "two hundred twenty-five million, two hundred twenty-four thousand, five hundred fifteen".