22028794416 has 120 divisors (see below), whose sum is σ = 62823412080. Its totient is φ = 7204454400.

The previous prime is 22028794409. The next prime is 22028794441. The reversal of 22028794416 is 61449782022.

22028794416 is a `hidden beast` number, since 220 + 2 + 8 + 7 + 9 + 4 + 416 = 666.

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, 1672336 + ... + 1685456.

It is an arithmetic number, because the mean of its divisors is an integer number (523528434).

Almost surely, 2^22028794416 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 22028794416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31411706040).

22028794416 is an abundant number, since it is smaller than the sum of its proper divisors (40794617664).

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

22028794416 is a wasteful number, since it uses less digits than its factorization.

22028794416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13355 (or 13346 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 22028794416 in words is "twenty-two billion, twenty-eight million, seven hundred ninety-four thousand, four hundred sixteen".