797222797 has 12 divisors (see below), whose sum is σ = 935595036. Its totient is φ = 677281920.

The previous prime is 797222791. The next prime is 797222801.

797222797 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 177262596 + 619960201 = 13314^2 + 24899^2 .

It is a de Polignac number, because none of the positive numbers 2^k-797222797 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 (797222791) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66454 + ... + 77527.

It is an arithmetic number, because the mean of its divisors is an integer number (77966253).

Almost surely, 2^797222797 is an apocalyptic number.

It is an amenable number.

797222797 is a deficient number, since it is larger than the sum of its proper divisors (138372239).

797222797 is a wasteful number, since it uses less digits than its factorization.

797222797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144108 (or 144101 counting only the distinct ones).

The product of its digits is 1555848, while the sum is 52.

The square root of 797222797 is about 28235.1340885784. The cubic root of 797222797 is about 927.2423017311.

The spelling of 797222797 in words is "seven hundred ninety-seven million, two hundred twenty-two thousand, seven hundred ninety-seven".