722215079969 has 2 divisors, whose sum is σ = 722215079970. Its totient is φ = 722215079968.

The previous prime is 722215079939. The next prime is 722215080011. The reversal of 722215079969 is 969970512227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 580206694369 + 142008385600 = 761713^2 + 376840^2 .

It is a cyclic number.

It is not a de Polignac number, because 722215079969 - 2¹² = 722215075873 is a prime.

It is a super-2 number, since 2×722215079969² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (722215079939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361107539984 + 361107539985.

It is an arithmetic number, because the mean of its divisors is an integer number (361107539985).

Almost surely, 2^722215079969 is an apocalyptic number.

It is an amenable number.

722215079969 is a deficient number, since it is larger than the sum of its proper divisors (1).

722215079969 is an equidigital number, since it uses as much as digits as its factorization.

722215079969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 59.

The spelling of 722215079969 in words is "seven hundred twenty-two billion, two hundred fifteen million, seventy-nine thousand, nine hundred sixty-nine".