22006680 has 32 divisors (see below), whose sum is σ = 66020400. Its totient is φ = 5868416.

The previous prime is 22006657. The next prime is 22006711. The reversal of 22006680 is 8660022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22006680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91575 + ... + 91814.

Almost surely, 2^22006680 is an apocalyptic number.

22006680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22006680 is an abundant number, since it is smaller than the sum of its proper divisors (44013720).

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

22006680 is a wasteful number, since it uses less digits than its factorization.

22006680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183403 (or 183399 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 22006680 is about 4691.1277961701. The cubic root of 22006680 is about 280.2322902301.

The spelling of 22006680 in words is "twenty-two million, six thousand, six hundred eighty".