6722331478 has 4 divisors (see below), whose sum is σ = 10083497220. Its totient is φ = 3361165738.

The previous prime is 6722331397. The next prime is 6722331503. The reversal of 6722331478 is 8741332276.

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

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, 1680582868 + ... + 1680582871.

It is an arithmetic number, because the mean of its divisors is an integer number (2520874305).

Almost surely, 2^6722331478 is an apocalyptic number.

6722331478 is a deficient number, since it is larger than the sum of its proper divisors (3361165742).

6722331478 is a wasteful number, since it uses less digits than its factorization.

6722331478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361165741.

The product of its digits is 338688, while the sum is 43.

The square root of 6722331478 is about 81989.8254541379. The cubic root of 6722331478 is about 1887.2958049823.

The spelling of 6722331478 in words is "six billion, seven hundred twenty-two million, three hundred thirty-one thousand, four hundred seventy-eight".