22544105 has 4 divisors (see below), whose sum is σ = 27052932. Its totient is φ = 18035280.

The previous prime is 22544069. The next prime is 22544167. The reversal of 22544105 is 50144522.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50144522 = 2 ⋅25072261.

It can be written as a sum of positive squares in 2 ways, for example, as 3717184 + 18826921 = 1928^2 + 4339^2 .

It is not a de Polignac number, because 22544105 - 2¹² = 22540009 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, 2254406 + ... + 2254415.

It is an arithmetic number, because the mean of its divisors is an integer number (6763233).

Almost surely, 2^22544105 is an apocalyptic number.

It is an amenable number.

22544105 is a deficient number, since it is larger than the sum of its proper divisors (4508827).

22544105 is an equidigital number, since it uses as much as digits as its factorization.

22544105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508826.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 22544105 is about 4748.0632893844. The cubic root of 22544105 is about 282.4951522388.

Adding to 22544105 its reverse (50144522), we get a palindrome (72688627).

The spelling of 22544105 in words is "twenty-two million, five hundred forty-four thousand, one hundred five".