72022166510719 has 2 divisors, whose sum is σ = 72022166510720. Its totient is φ = 72022166510718.

The previous prime is 72022166510647. The next prime is 72022166510771. The reversal of 72022166510719 is 91701566122027.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72022166510719 - 2²⁵ = 72022132956287 is a prime.

It is a super-2 number, since 2×72022166510719² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72022166510419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36011083255359 + 36011083255360.

It is an arithmetic number, because the mean of its divisors is an integer number (36011083255360).

Almost surely, 2^{72022166510719} is an apocalyptic number.

72022166510719 is a deficient number, since it is larger than the sum of its proper divisors (1).

72022166510719 is an equidigital number, since it uses as much as digits as its factorization.

72022166510719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 49.

The spelling of 72022166510719 in words is "seventy-two trillion, twenty-two billion, one hundred sixty-six million, five hundred ten thousand, seven hundred nineteen".