22163365 has 16 divisors (see below), whose sum is σ = 30476160. Its totient is φ = 15157440.

The previous prime is 22163363. The next prime is 22163369. The reversal of 22163365 is 56336122.

It is not a de Polignac number, because 22163365 - 2¹ = 22163363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22163363) 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, 19431 + ... + 20539.

It is an arithmetic number, because the mean of its divisors is an integer number (1904760).

Almost surely, 2^22163365 is an apocalyptic number.

It is an amenable number.

22163365 is a deficient number, since it is larger than the sum of its proper divisors (8312795).

22163365 is a wasteful number, since it uses less digits than its factorization.

22163365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692.

The product of its digits is 6480, while the sum is 28.

The square root of 22163365 is about 4707.7983176852. The cubic root of 22163365 is about 280.8957917905.

Adding to 22163365 its reverse (56336122), we get a palindrome (78499487).

The spelling of 22163365 in words is "twenty-two million, one hundred sixty-three thousand, three hundred sixty-five".