22025443 has 4 divisors (see below), whose sum is σ = 24027768. Its totient is φ = 20023120.

The previous prime is 22025441. The next prime is 22025459. The reversal of 22025443 is 34452022.

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 22025443 - 2¹ = 22025441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22025441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001146 + ... + 1001167.

It is an arithmetic number, because the mean of its divisors is an integer number (6006942).

Almost surely, 2^22025443 is an apocalyptic number.

22025443 is a deficient number, since it is larger than the sum of its proper divisors (2002325).

22025443 is a wasteful number, since it uses less digits than its factorization.

22025443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002324.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 22025443 is about 4693.1272090153. The cubic root of 22025443 is about 280.3119100673.

Adding to 22025443 its reverse (34452022), we get a palindrome (56477465).

The spelling of 22025443 in words is "twenty-two million, twenty-five thousand, four hundred forty-three".