22908480 has 168 divisors, whose sum is σ = 84783168. Its totient is φ = 5225472.

The previous prime is 22908419. The next prime is 22908491. The reversal of 22908480 is 8480922.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 46797 + ... + 47283.

Almost surely, 2^22908480 is an apocalyptic number.

22908480 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 22908480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42391584).

22908480 is an abundant number, since it is smaller than the sum of its proper divisors (61874688).

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

22908480 is a wasteful number, since it uses less digits than its factorization.

22908480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 504 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 22908480 is about 4786.2803929565. The cubic root of 22908480 is about 284.0089926399.

The spelling of 22908480 in words is "twenty-two million, nine hundred eight thousand, four hundred eighty".