22805408 has 12 divisors (see below), whose sum is σ = 44898210. Its totient is φ = 11402688.

The previous prime is 22805407. The next prime is 22805417. The reversal of 22805408 is 80450822.

It can be written as a sum of positive squares in only one way, i.e., 14348944 + 8456464 = 3788^2 + 2908^2 .

It is not an unprimeable number, because it can be changed into a prime (22805407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356303 + ... + 356366.

Almost surely, 2^22805408 is an apocalyptic number.

It is an amenable number.

22805408 is a deficient number, since it is larger than the sum of its proper divisors (22092802).

22805408 is an equidigital number, since it uses as much as digits as its factorization.

22805408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712679 (or 712671 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 22805408 is about 4775.5008114333. The cubic root of 22805408 is about 283.5824055109.

The spelling of 22805408 in words is "twenty-two million, eight hundred five thousand, four hundred eight".