22421105 has 16 divisors (see below), whose sum is σ = 30825984. Its totient is φ = 15336000.

The previous prime is 22421053. The next prime is 22421107. The reversal of 22421105 is 50112422.

It is not a de Polignac number, because 22421105 - 2⁶ = 22421041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22421107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25859 + ... + 26711.

It is an arithmetic number, because the mean of its divisors is an integer number (1926624).

Almost surely, 2^22421105 is an apocalyptic number.

It is an amenable number.

22421105 is a deficient number, since it is larger than the sum of its proper divisors (8404879).

22421105 is an equidigital number, since it uses as much as digits as its factorization.

22421105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 22421105 is about 4735.0929241146. The cubic root of 22421105 is about 281.9804531830.

Adding to 22421105 its reverse (50112422), we get a palindrome (72533527).

The spelling of 22421105 in words is "twenty-two million, four hundred twenty-one thousand, one hundred five".