22027984 has 40 divisors (see below), whose sum is σ = 46836288. Its totient is φ = 9953280.

The previous prime is 22027981. The next prime is 22027991. The reversal of 22027984 is 48972022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22027981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44989 + ... + 45475.

Almost surely, 2^22027984 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 22027984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23418144).

22027984 is an abundant number, since it is smaller than the sum of its proper divisors (24808304).

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

22027984 is a wasteful number, since it uses less digits than its factorization.

22027984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 22027984 is about 4693.3979162223. The cubic root of 22027984 is about 280.3226891948.

The spelling of 22027984 in words is "twenty-two million, twenty-seven thousand, nine hundred eighty-four".