2272618863 has 24 divisors (see below), whose sum is σ = 3409187600. Its totient is φ = 1514961144.

The previous prime is 2272618849. The next prime is 2272618913. The reversal of 2272618863 is 3688162722.

2272618863 is a `hidden beast` number, since 2 + 27 + 2 + 618 + 8 + 6 + 3 = 666.

It is not a de Polignac number, because 2272618863 - 2¹⁰ = 2272617839 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 (2272618813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170733 + ... + 183561.

Almost surely, 2^2272618863 is an apocalyptic number.

2272618863 is a deficient number, since it is larger than the sum of its proper divisors (1136568737).

2272618863 is an frugal number, since it uses more digits than its factorization.

2272618863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12862 (or 12832 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 2272618863 is about 47671.9924379084. The cubic root of 2272618863 is about 1314.7470418992.

The spelling of 2272618863 in words is "two billion, two hundred seventy-two million, six hundred eighteen thousand, eight hundred sixty-three".