22105443 has 8 divisors (see below), whose sum is σ = 29662288. Its totient is φ = 14642784.

The previous prime is 22105441. The next prime is 22105459. The reversal of 22105443 is 34450122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22105443 - 2¹ = 22105441 is a prime.

It is a super-2 number, since 2×22105443² = 977301220452498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22105441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22996 + ... + 23937.

It is an arithmetic number, because the mean of its divisors is an integer number (3707786).

Almost surely, 2^22105443 is an apocalyptic number.

22105443 is a deficient number, since it is larger than the sum of its proper divisors (7556845).

22105443 is a wasteful number, since it uses less digits than its factorization.

22105443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47093.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 22105443 is about 4701.6425853099. The cubic root of 22105443 is about 280.6508795203.

Adding to 22105443 its reverse (34450122), we get a palindrome (56555565).

The spelling of 22105443 in words is "twenty-two million, one hundred five thousand, four hundred forty-three".