3221141947 has 2 divisors, whose sum is σ = 3221141948. Its totient is φ = 3221141946.

The previous prime is 3221141923. The next prime is 3221141951. The reversal of 3221141947 is 7491411223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3221141947 - 2¹¹ = 3221139899 is a prime.

It is not a weakly prime, because it can be changed into another prime (3221141047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610570973 + 1610570974.

It is an arithmetic number, because the mean of its divisors is an integer number (1610570974).

Almost surely, 2^3221141947 is an apocalyptic number.

3221141947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221141947 is an equidigital number, since it uses as much as digits as its factorization.

3221141947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 3221141947 is about 56755.1050302966. The cubic root of 3221141947 is about 1476.8507950708.

The spelling of 3221141947 in words is "three billion, two hundred twenty-one million, one hundred forty-one thousand, nine hundred forty-seven".