22043368 has 8 divisors (see below), whose sum is σ = 41331330. Its totient is φ = 11021680.

The previous prime is 22043353. The next prime is 22043377. The reversal of 22043368 is 86334022.

It can be written as a sum of positive squares in only one way, i.e., 17791524 + 4251844 = 4218^2 + 2062^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377703 + ... + 1377718.

Almost surely, 2^22043368 is an apocalyptic number.

It is an amenable number.

22043368 is a deficient number, since it is larger than the sum of its proper divisors (19287962).

22043368 is a wasteful number, since it uses less digits than its factorization.

22043368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755427 (or 2755423 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 22043368 is about 4695.0365280794. The cubic root of 22043368 is about 280.3879316717.

The spelling of 22043368 in words is "twenty-two million, forty-three thousand, three hundred sixty-eight".