22163105 has 16 divisors (see below), whose sum is σ = 27654480. Its totient is φ = 17031168.

The previous prime is 22163093. The next prime is 22163107. The reversal of 22163105 is 50136122.

It can be written as a sum of positive squares in 8 ways, for example, as 2298256 + 19864849 = 1516^2 + 4457^2 .

It is a cyclic number.

It is not a de Polignac number, because 22163105 - 2⁶ = 22163041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22163107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50969 + ... + 51401.

It is an arithmetic number, because the mean of its divisors is an integer number (1728405).

Almost surely, 2^22163105 is an apocalyptic number.

It is an amenable number.

22163105 is a deficient number, since it is larger than the sum of its proper divisors (5491375).

22163105 is a wasteful number, since it uses less digits than its factorization.

22163105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 22163105 is about 4707.7707038470. The cubic root of 22163105 is about 280.8946933834.

Adding to 22163105 its reverse (50136122), we get a palindrome (72299227).

The spelling of 22163105 in words is "twenty-two million, one hundred sixty-three thousand, one hundred five".