722622464251 has 2 divisors, whose sum is σ = 722622464252. Its totient is φ = 722622464250.

The previous prime is 722622464237. The next prime is 722622464281. The reversal of 722622464251 is 152464226227.

It is a weak prime.

It is an emirp because it is prime and its reverse (152464226227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 722622464251 - 2²¹ = 722620367099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 722622464198 and 722622464207.

It is not a weakly prime, because it can be changed into another prime (722622464281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361311232125 + 361311232126.

It is an arithmetic number, because the mean of its divisors is an integer number (361311232126).

Almost surely, 2^722622464251 is an apocalyptic number.

722622464251 is a deficient number, since it is larger than the sum of its proper divisors (1).

722622464251 is an equidigital number, since it uses as much as digits as its factorization.

722622464251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 43.

The spelling of 722622464251 in words is "seven hundred twenty-two billion, six hundred twenty-two million, four hundred sixty-four thousand, two hundred fifty-one".