22618423349 has 2 divisors, whose sum is σ = 22618423350. Its totient is φ = 22618423348.

The previous prime is 22618423337. The next prime is 22618423361. The reversal of 22618423349 is 94332481622.

It is a balanced prime because it is at equal distance from previous prime (22618423337) and next prime (22618423361).

It can be written as a sum of positive squares in only one way, i.e., 22300942225 + 317481124 = 149335^2 + 17818^2 .

It is a cyclic number.

It is not a de Polignac number, because 22618423349 - 2¹² = 22618419253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22618423319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11309211674 + 11309211675.

It is an arithmetic number, because the mean of its divisors is an integer number (11309211675).

Almost surely, 2^22618423349 is an apocalyptic number.

It is an amenable number.

22618423349 is a deficient number, since it is larger than the sum of its proper divisors (1).

22618423349 is an equidigital number, since it uses as much as digits as its factorization.

22618423349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 44.

The spelling of 22618423349 in words is "twenty-two billion, six hundred eighteen million, four hundred twenty-three thousand, three hundred forty-nine".