22210065 has 48 divisors (see below), whose sum is σ = 41408640. Its totient is φ = 11293920.

The previous prime is 22210063. The next prime is 22210073. The reversal of 22210065 is 56001222.

It is not a de Polignac number, because 22210065 - 2¹ = 22210063 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22210063) 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 47 ways as a sum of consecutive naturals, for example, 71260 + ... + 71570.

It is an arithmetic number, because the mean of its divisors is an integer number (862680).

Almost surely, 2^22210065 is an apocalyptic number.

It is an amenable number.

22210065 is a deficient number, since it is larger than the sum of its proper divisors (19198575).

22210065 is a wasteful number, since it uses less digits than its factorization.

22210065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 22210065 is about 4712.7555633621. The cubic root of 22210065 is about 281.0929434234.

Adding to 22210065 its reverse (56001222), we get a palindrome (78211287).

The spelling of 22210065 in words is "twenty-two million, two hundred ten thousand, sixty-five".