722198686891227 has 32 divisors (see below), whose sum is σ = 1185870538524672. Its totient is φ = 380707260326784.

The previous prime is 722198686891193. The next prime is 722198686891277.

722198686891227 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 722198686891227 - 2¹⁶ = 722198686825691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (722198686891277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 807560563 + ... + 808454364.

It is an arithmetic number, because the mean of its divisors is an integer number (37058454328896).

Almost surely, 2^{722198686891227} is an apocalyptic number.

722198686891227 is a deficient number, since it is larger than the sum of its proper divisors (463671851633445).

722198686891227 is a wasteful number, since it uses less digits than its factorization.

722198686891227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616016587.

The product of its digits is 1170505728, while the sum is 78.

The spelling of 722198686891227 in words is "seven hundred twenty-two trillion, one hundred ninety-eight billion, six hundred eighty-six million, eight hundred ninety-one thousand, two hundred twenty-seven".