44022143 has 4 divisors (see below), whose sum is σ = 48024168. Its totient is φ = 40020120.

The previous prime is 44022133. The next prime is 44022169. The reversal of 44022143 is 34122044.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44022143 - 2¹⁶ = 43956607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44022133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000996 + ... + 2001017.

It is an arithmetic number, because the mean of its divisors is an integer number (12006042).

Almost surely, 2^44022143 is an apocalyptic number.

44022143 is a deficient number, since it is larger than the sum of its proper divisors (4002025).

44022143 is a wasteful number, since it uses less digits than its factorization.

44022143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4002024.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 44022143 is about 6634.9184621968. The cubic root of 44022143 is about 353.0940451943.

Adding to 44022143 its reverse (34122044), we get a palindrome (78144187).

Subtracting from 44022143 its reverse (34122044), we obtain a palindrome (9900099).

The spelling of 44022143 in words is "forty-four million, twenty-two thousand, one hundred forty-three".