22289484 has 96 divisors (see below), whose sum is σ = 63221760. Its totient is φ = 5974848.

The previous prime is 22289483. The next prime is 22289537. The reversal of 22289484 is 48498222.

It is not an unprimeable number, because it can be changed into a prime (22289483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160287 + ... + 160425.

It is an arithmetic number, because the mean of its divisors is an integer number (658560).

Almost surely, 2^22289484 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 22289484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31610880).

22289484 is an abundant number, since it is smaller than the sum of its proper divisors (40932276).

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

22289484 is a wasteful number, since it uses less digits than its factorization.

22289484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 257 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 22289484 is about 4721.1740065369. The cubic root of 22289484 is about 281.4275899640.

The spelling of 22289484 in words is "twenty-two million, two hundred eighty-nine thousand, four hundred eighty-four".