22080666 has 8 divisors (see below), whose sum is σ = 44161344. Its totient is φ = 7360220.

The previous prime is 22080631. The next prime is 22080677. The reversal of 22080666 is 66608022.

It is a sphenic number, since it is the product of 3 distinct primes.

22080666 is an admirable number.

It is a super-2 number, since 2×22080666² = 975111622007112, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1840050 + ... + 1840061.

It is an arithmetic number, because the mean of its divisors is an integer number (5520168).

Almost surely, 2^22080666 is an apocalyptic number.

22080666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22080666 is a wasteful number, since it uses less digits than its factorization.

22080666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680116.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 22080666 is about 4699.0069163601. The cubic root of 22080666 is about 280.5459839902.

Adding to 22080666 its reverse (66608022), we get a palindrome (88688688).

The spelling of 22080666 in words is "twenty-two million, eighty thousand, six hundred sixty-six".