22442043 has 32 divisors (see below), whose sum is σ = 34062336. Its totient is φ = 13039488.

The previous prime is 22442029. The next prime is 22442081. The reversal of 22442043 is 34024422.

It is not a de Polignac number, because 22442043 - 2¹⁶ = 22376507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22442093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113821 + ... + 114017.

It is an arithmetic number, because the mean of its divisors is an integer number (1064448).

Almost surely, 2^22442043 is an apocalyptic number.

22442043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22442043 is a deficient number, since it is larger than the sum of its proper divisors (11620293).

22442043 is a wasteful number, since it uses less digits than its factorization.

22442043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363.

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

The square root of 22442043 is about 4737.3033468420. The cubic root of 22442043 is about 282.0682019035.

Adding to 22442043 its reverse (34024422), we get a palindrome (56466465).

The spelling of 22442043 in words is "twenty-two million, four hundred forty-two thousand, forty-three".