22130806 has 8 divisors (see below), whose sum is σ = 33339384. Its totient is φ = 11017680.

The previous prime is 22130803. The next prime is 22130813. The reversal of 22130806 is 60803122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23280 + ... + 24211.

It is an arithmetic number, because the mean of its divisors is an integer number (4167423).

Almost surely, 2^22130806 is an apocalyptic number.

22130806 is a deficient number, since it is larger than the sum of its proper divisors (11208578).

22130806 is a wasteful number, since it uses less digits than its factorization.

22130806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47726.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22130806 is about 4704.3390609096. The cubic root of 22130806 is about 280.7581747782.

Adding to 22130806 its reverse (60803122), we get a palindrome (82933928).

The spelling of 22130806 in words is "twenty-two million, one hundred thirty thousand, eight hundred six".