22026284 has 36 divisors (see below), whose sum is σ = 45294480. Its totient is φ = 9344160.

The previous prime is 22026281. The next prime is 22026289. The reversal of 22026284 is 48262022.

It is not an unprimeable number, because it can be changed into a prime (22026281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20849 + ... + 21879.

It is an arithmetic number, because the mean of its divisors is an integer number (1258180).

Almost surely, 2^22026284 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 22026284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22647240).

22026284 is an abundant number, since it is smaller than the sum of its proper divisors (23268196).

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

22026284 is a wasteful number, since it uses less digits than its factorization.

22026284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1149 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 22026284 is about 4693.2168072656. The cubic root of 22026284 is about 280.3154777491.

The spelling of 22026284 in words is "twenty-two million, twenty-six thousand, two hundred eighty-four".