22504080 has 80 divisors (see below), whose sum is σ = 71495424. Its totient is φ = 5852160.

The previous prime is 22504061. The next prime is 22504081. The reversal of 22504080 is 8040522.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (22504081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8697 + ... + 10983.

Almost surely, 2^22504080 is an apocalyptic number.

22504080 is a gapful number since it is divisible by the number (20) 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 22504080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35747712).

22504080 is an abundant number, since it is smaller than the sum of its proper divisors (48991344).

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

22504080 is a wasteful number, since it uses less digits than its factorization.

22504080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 22504080 is about 4743.8465405196. The cubic root of 22504080 is about 282.3278717530.

The spelling of 22504080 in words is "twenty-two million, five hundred four thousand, eighty".