22132666 has 8 divisors (see below), whose sum is σ = 33225984. Its totient is φ = 11057340.

The previous prime is 22132639. The next prime is 22132679. The reversal of 22132666 is 66623122.

It is a happy number.

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

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, 820 + ... + 6703.

It is an arithmetic number, because the mean of its divisors is an integer number (4153248).

Almost surely, 2^22132666 is an apocalyptic number.

22132666 is a deficient number, since it is larger than the sum of its proper divisors (11093318).

22132666 is a wasteful number, since it uses less digits than its factorization.

22132666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8996.

The product of its digits is 5184, while the sum is 28.

The square root of 22132666 is about 4704.5367465883. The cubic root of 22132666 is about 280.7660400675.

Adding to 22132666 its reverse (66623122), we get a palindrome (88755788).

The spelling of 22132666 in words is "twenty-two million, one hundred thirty-two thousand, six hundred sixty-six".