22006880 has 96 divisors (see below), whose sum is σ = 60782400. Its totient is φ = 7526400.

The previous prime is 22006879. The next prime is 22006913. The reversal of 22006880 is 8860022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54680 + ... + 55080.

It is an arithmetic number, because the mean of its divisors is an integer number (633150).

Almost surely, 2^22006880 is an apocalyptic number.

22006880 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 22006880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30391200).

22006880 is an abundant number, since it is smaller than the sum of its proper divisors (38775520).

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

22006880 is an equidigital number, since it uses as much as digits as its factorization.

22006880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 22006880 is about 4691.1491129573. The cubic root of 22006880 is about 280.2331391585.

The spelling of 22006880 in words is "twenty-two million, six thousand, eight hundred eighty".