84322222349 has 2 divisors, whose sum is σ = 84322222350. Its totient is φ = 84322222348.

The previous prime is 84322222343. The next prime is 84322222367. The reversal of 84322222349 is 94322222348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66817080100 + 17505142249 = 258490^2 + 132307^2 .

It is a cyclic number.

It is not a de Polignac number, because 84322222349 - 2³² = 80027255053 is a prime.

It is a super-2 number, since 2×84322222349² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84322222343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42161111174 + 42161111175.

It is an arithmetic number, because the mean of its divisors is an integer number (42161111175).

Almost surely, 2^84322222349 is an apocalyptic number.

It is an amenable number.

84322222349 is a deficient number, since it is larger than the sum of its proper divisors (1).

84322222349 is an equidigital number, since it uses as much as digits as its factorization.

84322222349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 41.

Subtracting 84322222349 from its reverse (94322222348), we obtain a palindrome (9999999999).

The spelling of 84322222349 in words is "eighty-four billion, three hundred twenty-two million, two hundred twenty-two thousand, three hundred forty-nine".