22204430 has 32 divisors (see below), whose sum is σ = 43156800. Its totient is φ = 8200192.

The previous prime is 22204421. The next prime is 22204433. The reversal of 22204430 is 3440222.

It is a junction number, because it is equal to n+sod(n) for n = 22204399 and 22204408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5006 + ... + 8334.

It is an arithmetic number, because the mean of its divisors is an integer number (1348650).

Almost surely, 2^22204430 is an apocalyptic number.

22204430 is a deficient number, since it is larger than the sum of its proper divisors (20952370).

22204430 is a wasteful number, since it uses less digits than its factorization.

22204430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22204430 is about 4712.1576798745. The cubic root of 22204430 is about 281.0691690263.

Adding to 22204430 its reverse (3440222), we get a palindrome (25644652).

The spelling of 22204430 in words is "twenty-two million, two hundred four thousand, four hundred thirty".