722215075873 has 2 divisors, whose sum is σ = 722215075874. Its totient is φ = 722215075872.

The previous prime is 722215075871. The next prime is 722215075951. The reversal of 722215075873 is 378570512227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 722171937249 + 43138624 = 849807^2 + 6568^2 .

It is an emirp because it is prime and its reverse (378570512227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 722215075873 - 2¹ = 722215075871 is a prime.

Together with 722215075871, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (722215075871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361107537936 + 361107537937.

It is an arithmetic number, because the mean of its divisors is an integer number (361107537937).

Almost surely, 2^722215075873 is an apocalyptic number.

It is an amenable number.

722215075873 is a deficient number, since it is larger than the sum of its proper divisors (1).

722215075873 is an equidigital number, since it uses as much as digits as its factorization.

722215075873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1646400, while the sum is 49.

The spelling of 722215075873 in words is "seven hundred twenty-two billion, two hundred fifteen million, seventy-five thousand, eight hundred seventy-three".