22705266 has 32 divisors (see below), whose sum is σ = 48153600. Its totient is φ = 7117200.

The previous prime is 22705261. The next prime is 22705271. The reversal of 22705266 is 66250722.

It is an interprime number because it is at equal distance from previous prime (22705261) and next prime (22705271).

It is not an unprimeable number, because it can be changed into a prime (22705261) 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, 16555 + ... + 17873.

It is an arithmetic number, because the mean of its divisors is an integer number (1504800).

Almost surely, 2^22705266 is an apocalyptic number.

22705266 is an abundant number, since it is smaller than the sum of its proper divisors (25448334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22705266 is a wasteful number, since it uses less digits than its factorization.

22705266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 22705266 is about 4765.0043022016. The cubic root of 22705266 is about 283.1667120295.

Adding to 22705266 its reverse (66250722), we get a palindrome (88955988).

The spelling of 22705266 in words is "twenty-two million, seven hundred five thousand, two hundred sixty-six".