22472384 has 56 divisors (see below), whose sum is σ = 49213008. Its totient is φ = 10096640.

The previous prime is 22472377. The next prime is 22472389. The reversal of 22472384 is 48327422.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 22472384.

It is not an unprimeable number, because it can be changed into a prime (22472389) 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, 96332 + ... + 96564.

Almost surely, 2^22472384 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 22472384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24606504).

22472384 is an abundant number, since it is smaller than the sum of its proper divisors (26740624).

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

22472384 is a wasteful number, since it uses less digits than its factorization.

22472384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 383 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 22472384 is about 4740.5046144899. The cubic root of 22472384 is about 282.1952607067.

The spelling of 22472384 in words is "twenty-two million, four hundred seventy-two thousand, three hundred eighty-four".