2199222647 has 2 divisors, whose sum is σ = 2199222648. Its totient is φ = 2199222646.

The previous prime is 2199222643. The next prime is 2199222667. The reversal of 2199222647 is 7462229912.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2199222647 - 2² = 2199222643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2199222598 and 2199222607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2199222643) 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, 1099611323 + 1099611324.

It is an arithmetic number, because the mean of its divisors is an integer number (1099611324).

Almost surely, 2^2199222647 is an apocalyptic number.

2199222647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2199222647 is an equidigital number, since it uses as much as digits as its factorization.

2199222647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 2199222647 is about 46895.8702552794. The cubic root of 2199222647 is about 1300.4382441597.

The spelling of 2199222647 in words is "two billion, one hundred ninety-nine million, two hundred twenty-two thousand, six hundred forty-seven".