272218223 has 4 divisors (see below), whose sum is σ = 280999488. Its totient is φ = 263436960.

The previous prime is 272218217. The next prime is 272218231. The reversal of 272218223 is 322812272.

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 272218223 - 2⁴ = 272218207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272218283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4390586 + ... + 4390647.

It is an arithmetic number, because the mean of its divisors is an integer number (70249872).

Almost surely, 2^272218223 is an apocalyptic number.

272218223 is a deficient number, since it is larger than the sum of its proper divisors (8781265).

272218223 is an equidigital number, since it uses as much as digits as its factorization.

272218223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8781264.

The product of its digits is 5376, while the sum is 29.

The square root of 272218223 is about 16499.0370325059. The cubic root of 272218223 is about 648.0955879095.

The spelling of 272218223 in words is "two hundred seventy-two million, two hundred eighteen thousand, two hundred twenty-three".