3220142939 has 16 divisors (see below), whose sum is σ = 3494860992. Its totient is φ = 2949356928.

The previous prime is 3220142929. The next prime is 3220142953. The reversal of 3220142939 is 9392410223.

It is a cyclic number.

It is not a de Polignac number, because 3220142939 - 2⁸ = 3220142683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220142899 and 3220142908.

It is not an unprimeable number, because it can be changed into a prime (3220142929) 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, 1453997 + ... + 1456209.

It is an arithmetic number, because the mean of its divisors is an integer number (218428812).

Almost surely, 2^3220142939 is an apocalyptic number.

3220142939 is a deficient number, since it is larger than the sum of its proper divisors (274718053).

3220142939 is a wasteful number, since it uses less digits than its factorization.

3220142939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 3220142939 is about 56746.3033069115. The cubic root of 3220142939 is about 1476.6981019850.

The spelling of 3220142939 in words is "three billion, two hundred twenty million, one hundred forty-two thousand, nine hundred thirty-nine".