3937216322 has 18 divisors (see below), whose sum is σ = 6396938667. Its totient is φ = 1816644336.

The previous prime is 3937216307. The next prime is 3937216331. The reversal of 3937216322 is 2236127393.

3937216322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 2567550241 + 1369666081 = 50671^2 + 37009^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=44369.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1151888 + ... + 1155300.

Almost surely, 2^3937216322 is an apocalyptic number.

3937216322 is a deficient number, since it is larger than the sum of its proper divisors (2459722345).

3937216322 is an frugal number, since it uses more digits than its factorization.

3937216322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6854 (or 3428 counting only the distinct ones).

The product of its digits is 81648, while the sum is 38.

The square root of 3937216322 is about 62747.2415489319. The cubic root of 3937216322 is about 1579.0519765508.

The spelling of 3937216322 in words is "three billion, nine hundred thirty-seven million, two hundred sixteen thousand, three hundred twenty-two".