223972715 has 4 divisors (see below), whose sum is σ = 268767264. Its totient is φ = 179178168.

The previous prime is 223972631. The next prime is 223972747. The reversal of 223972715 is 517279322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223972715 - 2¹⁰ = 223971691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22397267 + ... + 22397276.

It is an arithmetic number, because the mean of its divisors is an integer number (67191816).

Almost surely, 2^223972715 is an apocalyptic number.

223972715 is a deficient number, since it is larger than the sum of its proper divisors (44794549).

223972715 is an equidigital number, since it uses as much as digits as its factorization.

223972715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44794548.

The product of its digits is 52920, while the sum is 38.

The square root of 223972715 is about 14965.7179914630. The cubic root of 223972715 is about 607.2931346447.

The spelling of 223972715 in words is "two hundred twenty-three million, nine hundred seventy-two thousand, seven hundred fifteen".