3318422281 has 2 divisors, whose sum is σ = 3318422282. Its totient is φ = 3318422280.

The previous prime is 3318422279. The next prime is 3318422291. The reversal of 3318422281 is 1822248133.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3235903225 + 82519056 = 56885^2 + 9084^2 .

It is an emirp because it is prime and its reverse (1822248133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3318422281 - 2¹ = 3318422279 is a prime.

It is a super-2 number, since 2×3318422281² = 22023852870074485922, which contains 22 as substring.

Together with 3318422279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3318422201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1659211140 + 1659211141.

It is an arithmetic number, because the mean of its divisors is an integer number (1659211141).

Almost surely, 2^3318422281 is an apocalyptic number.

It is an amenable number.

3318422281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3318422281 is an equidigital number, since it uses as much as digits as its factorization.

3318422281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 34.

The square root of 3318422281 is about 57605.7486801448. The cubic root of 3318422281 is about 1491.5708372395.

The spelling of 3318422281 in words is "three billion, three hundred eighteen million, four hundred twenty-two thousand, two hundred eighty-one".