3928222671 has 4 divisors (see below), whose sum is σ = 5237630232. Its totient is φ = 2618815112.

The previous prime is 3928222667. The next prime is 3928222679. The reversal of 3928222671 is 1762228293.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3928222671 - 2² = 3928222667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928222679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654703776 + ... + 654703781.

It is an arithmetic number, because the mean of its divisors is an integer number (1309407558).

Almost surely, 2^3928222671 is an apocalyptic number.

3928222671 is a deficient number, since it is larger than the sum of its proper divisors (1309407561).

3928222671 is a wasteful number, since it uses less digits than its factorization.

3928222671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309407560.

The product of its digits is 145152, while the sum is 42.

The square root of 3928222671 is about 62675.5348680807. The cubic root of 3928222671 is about 1577.8487347795.

The spelling of 3928222671 in words is "three billion, nine hundred twenty-eight million, two hundred twenty-two thousand, six hundred seventy-one".