223055515 has 8 divisors (see below), whose sum is σ = 271333728. Its totient is φ = 175999680.

The previous prime is 223055489. The next prime is 223055519. The reversal of 223055515 is 515550322.

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

It is not a de Polignac number, because 223055515 - 2¹⁵ = 223022747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223055519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305191 + ... + 305920.

It is an arithmetic number, because the mean of its divisors is an integer number (33916716).

Almost surely, 2^223055515 is an apocalyptic number.

223055515 is a deficient number, since it is larger than the sum of its proper divisors (48278213).

223055515 is an equidigital number, since it uses as much as digits as its factorization.

223055515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611189.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 223055515 is about 14935.0431870819. The cubic root of 223055515 is about 606.4630166522.

The spelling of 223055515 in words is "two hundred twenty-three million, fifty-five thousand, five hundred fifteen".