3223638872 has 16 divisors (see below), whose sum is σ = 6399871560. Its totient is φ = 1517006464.

The previous prime is 3223638863. The next prime is 3223638937. The reversal of 3223638872 is 2788363223.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11851478 + ... + 11851749.

Almost surely, 2^3223638872 is an apocalyptic number.

It is an amenable number.

3223638872 is a deficient number, since it is larger than the sum of its proper divisors (3176232688).

3223638872 is a wasteful number, since it uses less digits than its factorization.

3223638872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23703250 (or 23703246 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The square root of 3223638872 is about 56777.0981294395. The cubic root of 3223638872 is about 1477.2322988263.

The spelling of 3223638872 in words is "three billion, two hundred twenty-three million, six hundred thirty-eight thousand, eight hundred seventy-two".