722472629 has 2 divisors, whose sum is σ = 722472630. Its totient is φ = 722472628.

The previous prime is 722472623. The next prime is 722472697. The reversal of 722472629 is 926274227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 571305604 + 151167025 = 23902^2 + 12295^2 .

It is a cyclic number.

It is not a de Polignac number, because 722472629 - 2¹⁶ = 722407093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722472623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361236314 + 361236315.

It is an arithmetic number, because the mean of its divisors is an integer number (361236315).

Almost surely, 2^722472629 is an apocalyptic number.

It is an amenable number.

722472629 is a deficient number, since it is larger than the sum of its proper divisors (1).

722472629 is an equidigital number, since it uses as much as digits as its factorization.

722472629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 41.

The square root of 722472629 is about 26878.8509613041. The cubic root of 722472629 is about 897.3057817964.

The spelling of 722472629 in words is "seven hundred twenty-two million, four hundred seventy-two thousand, six hundred twenty-nine".