22306804 has 12 divisors (see below), whose sum is σ = 42039844. Its totient is φ = 10295424.

The previous prime is 22306789. The next prime is 22306807. The reversal of 22306804 is 40860322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8690704 + 13616100 = 2948^2 + 3690^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22306807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214437 + ... + 214540.

Almost surely, 2^22306804 is an apocalyptic number.

It is an amenable number.

22306804 is a deficient number, since it is larger than the sum of its proper divisors (19733040).

22306804 is a wasteful number, since it uses less digits than its factorization.

22306804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428994 (or 428992 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 22306804 is about 4723.0079398621. The cubic root of 22306804 is about 281.5004653444.

The spelling of 22306804 in words is "twenty-two million, three hundred six thousand, eight hundred four".