22443042 has 16 divisors (see below), whose sum is σ = 46434240. Its totient is φ = 7222992.

The previous prime is 22443023. The next prime is 22443049. The reversal of 22443042 is 24034422.

It is not an unprimeable number, because it can be changed into a prime (22443049) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 64318 + ... + 64665.

It is an arithmetic number, because the mean of its divisors is an integer number (2902140).

Almost surely, 2^22443042 is an apocalyptic number.

22443042 is an abundant number, since it is smaller than the sum of its proper divisors (23991198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22443042 is a wasteful number, since it uses less digits than its factorization.

22443042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129017.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 22443042 is about 4737.4087854016. The cubic root of 22443042 is about 282.0723872318.

Adding to 22443042 its reverse (24034422), we get a palindrome (46477464).

The spelling of 22443042 in words is "twenty-two million, four hundred forty-three thousand, forty-two".