22204226 has 12 divisors (see below), whose sum is σ = 36609846. Its totient is φ = 10092720.

The previous prime is 22204219. The next prime is 22204229. The reversal of 22204226 is 62240222.

It can be written as a sum of positive squares in only one way, i.e., 18498601 + 3705625 = 4301^2 + 1925^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22204198 and 22204207.

It is not an unprimeable number, because it can be changed into a prime (22204229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45635 + ... + 46118.

Almost surely, 2^22204226 is an apocalyptic number.

22204226 is a deficient number, since it is larger than the sum of its proper divisors (14405620).

22204226 is a wasteful number, since it uses less digits than its factorization.

22204226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91777 (or 91766 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 22204226 is about 4712.1360336900. The cubic root of 22204226 is about 281.0683082628.

Adding to 22204226 its reverse (62240222), we get a palindrome (84444448).

It can be divided in two parts, 2220 and 4226, that added together give a palindrome (6446).

The spelling of 22204226 in words is "twenty-two million, two hundred four thousand, two hundred twenty-six".