272220613 has 8 divisors (see below), whose sum is σ = 316209920. Its totient is φ = 229506480.

The previous prime is 272220601. The next prime is 272220623. The reversal of 272220613 is 316022272.

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

It is a de Polignac number, because none of the positive numbers 2^k-272220613 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 (272220623) 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, 318333 + ... + 319186.

It is an arithmetic number, because the mean of its divisors is an integer number (39526240).

Almost surely, 2^272220613 is an apocalyptic number.

It is an amenable number.

272220613 is a deficient number, since it is larger than the sum of its proper divisors (43989307).

272220613 is an equidigital number, since it uses as much as digits as its factorization.

272220613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637587.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 272220613 is about 16499.1094608164. The cubic root of 272220613 is about 648.0974846034.

Adding to 272220613 its reverse (316022272), we get a palindrome (588242885).

The spelling of 272220613 in words is "two hundred seventy-two million, two hundred twenty thousand, six hundred thirteen".