722596737122 has 18 divisors (see below), whose sum is σ = 1173710617443. Its totient is φ = 333498973392.

The previous prime is 722596737077. The next prime is 722596737127. The reversal of 722596737122 is 221737695227.

It can be written as a sum of positive squares in 5 ways, for example, as 501432518161 + 221164218961 = 708119^2 + 470281^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=601081.

It is not an unprimeable number, because it can be changed into a prime (722596737127) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15604988 + ... + 15651224.

Almost surely, 2^722596737122 is an apocalyptic number.

722596737122 is a deficient number, since it is larger than the sum of its proper divisors (451113880321).

722596737122 is an frugal number, since it uses more digits than its factorization.

722596737122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92502 (or 46252 counting only the distinct ones).

The product of its digits is 4445280, while the sum is 53.

The spelling of 722596737122 in words is "seven hundred twenty-two billion, five hundred ninety-six million, seven hundred thirty-seven thousand, one hundred twenty-two".