72220317082227 has 40 divisors (see below), whose sum is σ = 110528312294400. Its totient is φ = 46967332844160.

The previous prime is 72220317082181. The next prime is 72220317082241. The reversal of 72220317082227 is 72228071302227.

72220317082227 is a `hidden beast` number, since 72 + 220 + 317 + 0 + 8 + 22 + 27 = 666.

It is not a de Polignac number, because 72220317082227 - 2¹¹ = 72220317080179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72220317082247) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28725774 + ... + 31138572.

It is an arithmetic number, because the mean of its divisors is an integer number (2763207807360).

Almost surely, 2^{72220317082227} is an apocalyptic number.

72220317082227 is a deficient number, since it is larger than the sum of its proper divisors (38307995212173).

72220317082227 is a wasteful number, since it uses less digits than its factorization.

72220317082227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421865 (or 2421856 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 45.

The spelling of 72220317082227 in words is "seventy-two trillion, two hundred twenty billion, three hundred seventeen million, eighty-two thousand, two hundred twenty-seven".