22043408 has 10 divisors (see below), whose sum is σ = 42709134. Its totient is φ = 11021696.

The previous prime is 22043377. The next prime is 22043419. The reversal of 22043408 is 80434022.

It can be written as a sum of positive squares in only one way, i.e., 20322064 + 1721344 = 4508^2 + 1312^2 .

It is a super-4 number, since 4×22043408⁴ (a number of 30 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688841 + ... + 688872.

Almost surely, 2^22043408 is an apocalyptic number.

It is an amenable number.

22043408 is a deficient number, since it is larger than the sum of its proper divisors (20665726).

22043408 is a wasteful number, since it uses less digits than its factorization.

22043408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377721 (or 1377715 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 22043408 is about 4695.0407878952. The cubic root of 22043408 is about 280.3881012694.

The spelling of 22043408 in words is "twenty-two million, forty-three thousand, four hundred eight".