722558268427 has 2 divisors, whose sum is σ = 722558268428. Its totient is φ = 722558268426.

The previous prime is 722558268403. The next prime is 722558268511. The reversal of 722558268427 is 724862855227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722558268427 - 2³⁵ = 688198530059 is a prime.

It is not a weakly prime, because it can be changed into another prime (722558268727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361279134213 + 361279134214.

It is an arithmetic number, because the mean of its divisors is an integer number (361279134214).

Almost surely, 2^722558268427 is an apocalyptic number.

722558268427 is a deficient number, since it is larger than the sum of its proper divisors (1).

722558268427 is an equidigital number, since it uses as much as digits as its factorization.

722558268427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30105600, while the sum is 58.

The spelling of 722558268427 in words is "seven hundred twenty-two billion, five hundred fifty-eight million, two hundred sixty-eight thousand, four hundred twenty-seven".