722360251 has 2 divisors, whose sum is σ = 722360252. Its totient is φ = 722360250.

The previous prime is 722360227. The next prime is 722360257. The reversal of 722360251 is 152063227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 722360251 - 2⁷ = 722360123 is a prime.

It is not a weakly prime, because it can be changed into another prime (722360257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361180125 + 361180126.

It is an arithmetic number, because the mean of its divisors is an integer number (361180126).

Almost surely, 2^722360251 is an apocalyptic number.

722360251 is a deficient number, since it is larger than the sum of its proper divisors (1).

722360251 is an equidigital number, since it uses as much as digits as its factorization.

722360251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 722360251 is about 26876.7604260633. The cubic root of 722360251 is about 897.2592551628.

The spelling of 722360251 in words is "seven hundred twenty-two million, three hundred sixty thousand, two hundred fifty-one".