272442281 has 4 divisors (see below), whose sum is σ = 278778192. Its totient is φ = 266106372.

The previous prime is 272442277. The next prime is 272442293. The reversal of 272442281 is 182244272.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 272442281 - 2² = 272442277 is a prime.

It is a super-2 number, since 2×272442281² = 148449592952965922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (272444281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3167891 + ... + 3167976.

It is an arithmetic number, because the mean of its divisors is an integer number (69694548).

Almost surely, 2^272442281 is an apocalyptic number.

It is an amenable number.

272442281 is a deficient number, since it is larger than the sum of its proper divisors (6335911).

272442281 is an equidigital number, since it uses as much as digits as its factorization.

272442281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6335910.

The product of its digits is 14336, while the sum is 32.

The square root of 272442281 is about 16505.8256685329. The cubic root of 272442281 is about 648.2733511487.

The spelling of 272442281 in words is "two hundred seventy-two million, four hundred forty-two thousand, two hundred eighty-one".