22205422 has 8 divisors (see below), whose sum is σ = 33481296. Its totient is φ = 11044992.

The previous prime is 22205413. The next prime is 22205423. The reversal of 22205422 is 22450222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22205422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22205423) 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, 28378 + ... + 29149.

It is an arithmetic number, because the mean of its divisors is an integer number (4185162).

Almost surely, 2^22205422 is an apocalyptic number.

22205422 is a deficient number, since it is larger than the sum of its proper divisors (11275874).

22205422 is a wasteful number, since it uses less digits than its factorization.

22205422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57722.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 22205422 is about 4712.2629383344. The cubic root of 22205422 is about 281.0733546245.

Adding to 22205422 its reverse (22450222), we get a palindrome (44655644).

The spelling of 22205422 in words is "twenty-two million, two hundred five thousand, four hundred twenty-two".