22305105 has 32 divisors (see below), whose sum is σ = 41990400. Its totient is φ = 11195136.

The previous prime is 22305079. The next prime is 22305109. The reversal of 22305105 is 50150322.

It is a happy number.

It is not a de Polignac number, because 22305105 - 2¹² = 22301009 is a prime.

It is a super-2 number, since 2×22305105² = 995035418122050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22305109) 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 31 ways as a sum of consecutive naturals, for example, 2565 + ... + 7154.

It is an arithmetic number, because the mean of its divisors is an integer number (1312200).

Almost surely, 2^22305105 is an apocalyptic number.

It is an amenable number.

22305105 is a deficient number, since it is larger than the sum of its proper divisors (19685295).

22305105 is a wasteful number, since it uses less digits than its factorization.

22305105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9750 (or 9744 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 22305105 is about 4722.8280722465. The cubic root of 22305105 is about 281.4933183258.

Adding to 22305105 its reverse (50150322), we get a palindrome (72455427).

The spelling of 22305105 in words is "twenty-two million, three hundred five thousand, one hundred five".