3939796222 has 4 divisors (see below), whose sum is σ = 5909694336. Its totient is φ = 1969898110.

The previous prime is 3939796219. The next prime is 3939796277. The reversal of 3939796222 is 2226979393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2226979393 = 23 ⋅96825191.

It is a self number, because there is not a number n which added to its sum of digits gives 3939796222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984949054 + ... + 984949057.

It is an arithmetic number, because the mean of its divisors is an integer number (1477423584).

Almost surely, 2^3939796222 is an apocalyptic number.

3939796222 is a deficient number, since it is larger than the sum of its proper divisors (1969898114).

3939796222 is a wasteful number, since it uses less digits than its factorization.

3939796222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969898113.

The product of its digits is 2204496, while the sum is 52.

The square root of 3939796222 is about 62767.7960581698. The cubic root of 3939796222 is about 1579.3967977296.

The spelling of 3939796222 in words is "three billion, nine hundred thirty-nine million, seven hundred ninety-six thousand, two hundred twenty-two".