22534480 has 80 divisors (see below), whose sum is σ = 56317824. Its totient is φ = 8363520.

The previous prime is 22534471. The next prime is 22534481. The reversal of 22534480 is 8443522.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22534481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67915 + ... + 68245.

Almost surely, 2^22534480 is an apocalyptic number.

22534480 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 22534480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28158912).

22534480 is an abundant number, since it is smaller than the sum of its proper divisors (33783344).

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

22534480 is a wasteful number, since it uses less digits than its factorization.

22534480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 22534480 is about 4747.0496100209. The cubic root of 22534480 is about 282.4549436065.

The spelling of 22534480 in words is "twenty-two million, five hundred thirty-four thousand, four hundred eighty".