22028397936 has 120 divisors (see below), whose sum is σ = 59829618576. Its totient is φ = 6983285760.

The previous prime is 22028397929. The next prime is 22028397967. The reversal of 22028397936 is 63979382022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4593556 + ... + 4598348.

Almost surely, 2^22028397936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22028397936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29914809288).

22028397936 is an abundant number, since it is smaller than the sum of its proper divisors (37801220640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22028397936 is a wasteful number, since it uses less digits than its factorization.

22028397936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031 (or 5002 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 22028397936 in words is "twenty-two billion, twenty-eight million, three hundred ninety-seven thousand, nine hundred thirty-six".