22650480 has 120 divisors (see below), whose sum is σ = 76931088. Its totient is φ = 5971968.

The previous prime is 22650461. The next prime is 22650493. The reversal of 22650480 is 8405622.

22650480 is a `hidden beast` number, since 2 + 2 + 650 + 4 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 117264 + ... + 117456.

Almost surely, 2^22650480 is an apocalyptic number.

22650480 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 22650480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38465544).

22650480 is an abundant number, since it is smaller than the sum of its proper divisors (54280608).

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

22650480 is a wasteful number, since it uses less digits than its factorization.

22650480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 22650480 is about 4759.2520420755. The cubic root of 22650480 is about 282.9387756863.

The spelling of 22650480 in words is "twenty-two million, six hundred fifty thousand, four hundred eighty".