272223647 has 2 divisors, whose sum is σ = 272223648. Its totient is φ = 272223646.

The previous prime is 272223593. The next prime is 272223661. The reversal of 272223647 is 746322272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 272223647 - 2¹⁴ = 272207263 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (272223547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136111823 + 136111824.

It is an arithmetic number, because the mean of its divisors is an integer number (136111824).

Almost surely, 2^272223647 is an apocalyptic number.

272223647 is a deficient number, since it is larger than the sum of its proper divisors (1).

272223647 is an equidigital number, since it uses as much as digits as its factorization.

272223647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 35.

The square root of 272223647 is about 16499.2014049165. The cubic root of 272223647 is about 648.0998923570.

The spelling of 272223647 in words is "two hundred seventy-two million, two hundred twenty-three thousand, six hundred forty-seven".