3220143647 has 16 divisors (see below), whose sum is σ = 3701505600. Its totient is φ = 2744155392.

The previous prime is 3220143637. The next prime is 3220143653. The reversal of 3220143647 is 7463410223.

It is a cyclic number.

It is not a de Polignac number, because 3220143647 - 2¹⁶ = 3220078111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220143607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1651229 + ... + 1653177.

It is an arithmetic number, because the mean of its divisors is an integer number (231344100).

Almost surely, 2^3220143647 is an apocalyptic number.

3220143647 is a deficient number, since it is larger than the sum of its proper divisors (481361953).

3220143647 is a wasteful number, since it uses less digits than its factorization.

3220143647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 3220143647 is about 56746.3095452030. The cubic root of 3220143647 is about 1476.6982102102.

The spelling of 3220143647 in words is "three billion, two hundred twenty million, one hundred forty-three thousand, six hundred forty-seven".