22204022 has 16 divisors (see below), whose sum is σ = 34214400. Its totient is φ = 10802088.

The previous prime is 22204009. The next prime is 22204051. The reversal of 22204022 is 22040222.

It is a junction number, because it is equal to n+sod(n) for n = 22203988 and 22204006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18113 + ... + 19299.

It is an arithmetic number, because the mean of its divisors is an integer number (2138400).

Almost surely, 2^22204022 is an apocalyptic number.

22204022 is a deficient number, since it is larger than the sum of its proper divisors (12010378).

22204022 is a wasteful number, since it uses less digits than its factorization.

22204022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 22204022 is about 4712.1143874061. The cubic root of 22204022 is about 281.0674474941.

Adding to 22204022 its reverse (22040222), we get a palindrome (44244244).

It can be divided in two parts, 2 and 2204022, that multiplied together give a palindrome (4408044).

The spelling of 22204022 in words is "twenty-two million, two hundred four thousand, twenty-two".