22404214 has 16 divisors (see below), whose sum is σ = 38655648. Its totient is φ = 9539712.

The previous prime is 22404209. The next prime is 22404229. The reversal of 22404214 is 41240422.

It is a junction number, because it is equal to n+sod(n) for n = 22404191 and 22404200.

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, 2899 + ... + 7294.

It is an arithmetic number, because the mean of its divisors is an integer number (2415978).

Almost surely, 2^22404214 is an apocalyptic number.

22404214 is a deficient number, since it is larger than the sum of its proper divisors (16251434).

22404214 is a wasteful number, since it uses less digits than its factorization.

22404214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10359.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 22404214 is about 4733.3089905477. The cubic root of 22404214 is about 281.9096251485.

Adding to 22404214 its reverse (41240422), we get a palindrome (63644636).

The spelling of 22404214 in words is "twenty-two million, four hundred four thousand, two hundred fourteen".