22051105 has 4 divisors (see below), whose sum is σ = 26461332. Its totient is φ = 17640880.

The previous prime is 22051093. The next prime is 22051111. The reversal of 22051105 is 50115022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11785489 + 10265616 = 3433^2 + 3204^2 .

It is not a de Polignac number, because 22051105 - 2¹¹ = 22049057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2205106 + ... + 2205115.

It is an arithmetic number, because the mean of its divisors is an integer number (6615333).

Almost surely, 2^22051105 is an apocalyptic number.

It is an amenable number.

22051105 is a deficient number, since it is larger than the sum of its proper divisors (4410227).

22051105 is an equidigital number, since it uses as much as digits as its factorization.

22051105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4410226.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 22051105 is about 4695.8604110429. The cubic root of 22051105 is about 280.4207322805.

Adding to 22051105 its reverse (50115022), we get a palindrome (72166127).

The spelling of 22051105 in words is "twenty-two million, fifty-one thousand, one hundred five".