272224817 has 2 divisors, whose sum is σ = 272224818. Its totient is φ = 272224816.

The previous prime is 272224793. The next prime is 272224847. The reversal of 272224817 is 718422272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162205696 + 110019121 = 12736^2 + 10489^2 .

It is a cyclic number.

It is not a de Polignac number, because 272224817 - 2¹⁰ = 272223793 is a prime.

It is not a weakly prime, because it can be changed into another prime (272224847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136112408 + 136112409.

It is an arithmetic number, because the mean of its divisors is an integer number (136112409).

Almost surely, 2^272224817 is an apocalyptic number.

It is an amenable number.

272224817 is a deficient number, since it is larger than the sum of its proper divisors (1).

272224817 is an equidigital number, since it uses as much as digits as its factorization.

272224817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25088, while the sum is 35.

The square root of 272224817 is about 16499.2368611400. The cubic root of 272224817 is about 648.1008208531.

The spelling of 272224817 in words is "two hundred seventy-two million, two hundred twenty-four thousand, eight hundred seventeen".