722133888397 has 2 divisors, whose sum is σ = 722133888398. Its totient is φ = 722133888396.

The previous prime is 722133888389. The next prime is 722133888419. The reversal of 722133888397 is 793888331227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 579396514761 + 142737373636 = 761181^2 + 377806^2 .

It is a cyclic number.

It is not a de Polignac number, because 722133888397 - 2³ = 722133888389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722133888797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361066944198 + 361066944199.

It is an arithmetic number, because the mean of its divisors is an integer number (361066944199).

Almost surely, 2^722133888397 is an apocalyptic number.

It is an amenable number.

722133888397 is a deficient number, since it is larger than the sum of its proper divisors (1).

722133888397 is an equidigital number, since it uses as much as digits as its factorization.

722133888397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24385536, while the sum is 61.

The spelling of 722133888397 in words is "seven hundred twenty-two billion, one hundred thirty-three million, eight hundred eighty-eight thousand, three hundred ninety-seven".