22219843928 has 16 divisors (see below), whose sum is σ = 41689442760. Its totient is φ = 11102659200.

The previous prime is 22219843909. The next prime is 22219843973. The reversal of 22219843928 is 82934891222.

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, 894833 + ... + 919328.

Almost surely, 2^22219843928 is an apocalyptic number.

It is an amenable number.

22219843928 is a deficient number, since it is larger than the sum of its proper divisors (19469598832).

22219843928 is a wasteful number, since it uses less digits than its factorization.

22219843928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815698 (or 1815694 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The spelling of 22219843928 in words is "twenty-two billion, two hundred nineteen million, eight hundred forty-three thousand, nine hundred twenty-eight".