3722218172219 has 2 divisors, whose sum is σ = 3722218172220. Its totient is φ = 3722218172218.

The previous prime is 3722218172149. The next prime is 3722218172237. The reversal of 3722218172219 is 9122718122273.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3722218172219 - 2¹⁶ = 3722218106683 is a prime.

It is a super-2 number, since 2×3722218172219² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3722218072219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1861109086109 + 1861109086110.

It is an arithmetic number, because the mean of its divisors is an integer number (1861109086110).

Almost surely, 2^{3722218172219} is an apocalyptic number.

3722218172219 is a deficient number, since it is larger than the sum of its proper divisors (1).

3722218172219 is an equidigital number, since it uses as much as digits as its factorization.

3722218172219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 47.

The spelling of 3722218172219 in words is "three trillion, seven hundred twenty-two billion, two hundred eighteen million, one hundred seventy-two thousand, two hundred nineteen".