3939222837 has 16 divisors (see below), whose sum is σ = 5736780288. Its totient is φ = 2384490480.

The previous prime is 3939222799. The next prime is 3939222839. The reversal of 3939222837 is 7382229393.

It is not a de Polignac number, because 3939222837 - 2¹⁵ = 3939190069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3939222839) 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, 45363 + ... + 99680.

It is an arithmetic number, because the mean of its divisors is an integer number (358548768).

Almost surely, 2^3939222837 is an apocalyptic number.

It is an amenable number.

3939222837 is a deficient number, since it is larger than the sum of its proper divisors (1797557451).

3939222837 is a wasteful number, since it uses less digits than its factorization.

3939222837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145880.

The product of its digits is 979776, while the sum is 48.

The square root of 3939222837 is about 62763.2283825490. The cubic root of 3939222837 is about 1579.3201739384.

The spelling of 3939222837 in words is "three billion, nine hundred thirty-nine million, two hundred twenty-two thousand, eight hundred thirty-seven".