22245384 has 64 divisors (see below), whose sum is σ = 67305600. Its totient is φ = 5981184.

The previous prime is 22245361. The next prime is 22245397. The reversal of 22245384 is 48354222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1039 + ... + 6750.

It is an arithmetic number, because the mean of its divisors is an integer number (1051650).

Almost surely, 2^22245384 is an apocalyptic number.

22245384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22245384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33652800).

22245384 is an abundant number, since it is smaller than the sum of its proper divisors (45060216).

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

22245384 is a wasteful number, since it uses less digits than its factorization.

22245384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822 (or 7818 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 22245384 is about 4716.5012456269. The cubic root of 22245384 is about 281.2418648511.

The spelling of 22245384 in words is "twenty-two million, two hundred forty-five thousand, three hundred eighty-four".