272224805 has 4 divisors (see below), whose sum is σ = 326669772. Its totient is φ = 217779840.

The previous prime is 272224793. The next prime is 272224817. The reversal of 272224805 is 508422272.

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

It is an interprime number because it is at equal distance from previous prime (272224793) and next prime (272224817).

It can be written as a sum of positive squares in 2 ways, for example, as 36264484 + 235960321 = 6022^2 + 15361^2 .

It is not a de Polignac number, because 272224805 - 2⁶ = 272224741 is a prime.

It is a Duffinian number.

It is a congruent 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, 27222476 + ... + 27222485.

It is an arithmetic number, because the mean of its divisors is an integer number (81667443).

Almost surely, 2^272224805 is an apocalyptic number.

It is an amenable number.

272224805 is a deficient number, since it is larger than the sum of its proper divisors (54444967).

272224805 is an equidigital number, since it uses as much as digits as its factorization.

272224805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54444966.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 272224805 is about 16499.2364974868. The cubic root of 272224805 is about 648.1008113301.

The spelling of 272224805 in words is "two hundred seventy-two million, two hundred twenty-four thousand, eight hundred five".