22204254 has 32 divisors (see below), whose sum is σ = 45999360. Its totient is φ = 7140672.

The previous prime is 22204253. The next prime is 22204307. The reversal of 22204254 is 45240222.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22204254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204253) 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, 22479 + ... + 23445.

It is an arithmetic number, because the mean of its divisors is an integer number (1437480).

Almost surely, 2^22204254 is an apocalyptic number.

22204254 is an abundant number, since it is smaller than the sum of its proper divisors (23795106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22204254 is a wasteful number, since it uses less digits than its factorization.

22204254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 22204254 is about 4712.1390047408. The cubic root of 22204254 is about 281.0684264072.

Adding to 22204254 its reverse (45240222), we get a palindrome (67444476).

The spelling of 22204254 in words is "twenty-two million, two hundred four thousand, two hundred fifty-four".