22045443 has 12 divisors (see below), whose sum is σ = 34193160. Its totient is φ = 12597312.

The previous prime is 22045427. The next prime is 22045459. The reversal of 22045443 is 34454022.

It is an interprime number because it is at equal distance from previous prime (22045427) and next prime (22045459).

It is not a de Polignac number, because 22045443 - 2⁴ = 22045427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22045483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74838 + ... + 75131.

It is an arithmetic number, because the mean of its divisors is an integer number (2849430).

Almost surely, 2^22045443 is an apocalyptic number.

22045443 is a deficient number, since it is larger than the sum of its proper divisors (12147717).

22045443 is a wasteful number, since it uses less digits than its factorization.

22045443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149986 (or 149979 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 22045443 is about 4695.2575009258. The cubic root of 22045443 is about 280.3967292793.

Adding to 22045443 its reverse (34454022), we get a palindrome (56499465).

The spelling of 22045443 in words is "twenty-two million, forty-five thousand, four hundred forty-three".