22134442349 has 2 divisors, whose sum is σ = 22134442350. Its totient is φ = 22134442348.

The previous prime is 22134442271. The next prime is 22134442387. The reversal of 22134442349 is 94324443122.

It is a happy number.

It is an a-pointer prime, because the next prime (22134442387) can be obtained adding 22134442349 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21994966249 + 139476100 = 148307^2 + 11810^2 .

It is a cyclic number.

It is not a de Polignac number, because 22134442349 - 2⁸ = 22134442093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22134442849) 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, 11067221174 + 11067221175.

It is an arithmetic number, because the mean of its divisors is an integer number (11067221175).

Almost surely, 2^22134442349 is an apocalyptic number.

It is an amenable number.

22134442349 is a deficient number, since it is larger than the sum of its proper divisors (1).

22134442349 is an equidigital number, since it uses as much as digits as its factorization.

22134442349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 38.

The spelling of 22134442349 in words is "twenty-two billion, one hundred thirty-four million, four hundred forty-two thousand, three hundred forty-nine".