722006629 has 2 divisors, whose sum is σ = 722006630. Its totient is φ = 722006628.

The previous prime is 722006617. The next prime is 722006657. The reversal of 722006629 is 926600227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432224100 + 289782529 = 20790^2 + 17023^2 .

It is a cyclic number.

It is not a de Polignac number, because 722006629 - 2¹¹ = 722004581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 722006594 and 722006603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722006689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361003314 + 361003315.

It is an arithmetic number, because the mean of its divisors is an integer number (361003315).

Almost surely, 2^722006629 is an apocalyptic number.

It is an amenable number.

722006629 is a deficient number, since it is larger than the sum of its proper divisors (1).

722006629 is an equidigital number, since it uses as much as digits as its factorization.

722006629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 722006629 is about 26870.1810377228. The cubic root of 722006629 is about 897.1128174257.

The spelling of 722006629 in words is "seven hundred twenty-two million, six thousand, six hundred twenty-nine".