22480384 has 60 divisors (see below), whose sum is σ = 47520396. Its totient is φ = 10621952.

The previous prime is 22480373. The next prime is 22480387. The reversal of 22480384 is 48308422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22480387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 270807 + ... + 270889.

Almost surely, 2^22480384 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 22480384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23760198).

22480384 is an abundant number, since it is smaller than the sum of its proper divisors (25040012).

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

22480384 is an frugal number, since it uses more digits than its factorization.

22480384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 22480384 is about 4741.3483314348. The cubic root of 22480384 is about 282.2287431987.

It can be divided in two parts, 224 and 80384, that added together give a palindrome (80608).

The spelling of 22480384 in words is "twenty-two million, four hundred eighty thousand, three hundred eighty-four".