2212219969 has 2 divisors, whose sum is σ = 2212219970. Its totient is φ = 2212219968.

The previous prime is 2212219957. The next prime is 2212220039. The reversal of 2212219969 is 9699122122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1943751744 + 268468225 = 44088^2 + 16385^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212219969 - 2⁵ = 2212219937 is a prime.

It is a super-2 number, since 2×2212219969² = 9787834382484721922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2212219939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106109984 + 1106109985.

It is an arithmetic number, because the mean of its divisors is an integer number (1106109985).

Almost surely, 2^2212219969 is an apocalyptic number.

It is an amenable number.

2212219969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212219969 is an equidigital number, since it uses as much as digits as its factorization.

2212219969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 43.

The square root of 2212219969 is about 47034.2425154270. The cubic root of 2212219969 is about 1302.9950606742.

The spelling of 2212219969 in words is "two billion, two hundred twelve million, two hundred nineteen thousand, nine hundred sixty-nine".