3198222947 has 2 divisors, whose sum is σ = 3198222948. Its totient is φ = 3198222946.

The previous prime is 3198222913. The next prime is 3198223003. The reversal of 3198222947 is 7492228913.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3198222947 - 2¹² = 3198218851 is a prime.

It is not a weakly prime, because it can be changed into another prime (3198222047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1599111473 + 1599111474.

It is an arithmetic number, because the mean of its divisors is an integer number (1599111474).

Almost surely, 2^3198222947 is an apocalyptic number.

3198222947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3198222947 is an equidigital number, since it uses as much as digits as its factorization.

3198222947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The square root of 3198222947 is about 56552.8332358336. The cubic root of 3198222947 is about 1473.3397689786.

The spelling of 3198222947 in words is "three billion, one hundred ninety-eight million, two hundred twenty-two thousand, nine hundred forty-seven".