6422222249 has 2 divisors, whose sum is σ = 6422222250. Its totient is φ = 6422222248.

The previous prime is 6422222239. The next prime is 6422222263. The reversal of 6422222249 is 9422222246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3349515625 + 3072706624 = 57875^2 + 55432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6422222249 is a prime.

It is not a weakly prime, because it can be changed into another prime (6422222239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211111124 + 3211111125.

It is an arithmetic number, because the mean of its divisors is an integer number (3211111125).

Almost surely, 2^6422222249 is an apocalyptic number.

It is an amenable number.

6422222249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6422222249 is an equidigital number, since it uses as much as digits as its factorization.

6422222249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 35.

The square root of 6422222249 is about 80138.7687015467. The cubic root of 6422222249 is about 1858.7819374005.

The spelling of 6422222249 in words is "six billion, four hundred twenty-two million, two hundred twenty-two thousand, two hundred forty-nine".