22885566 has 16 divisors (see below), whose sum is σ = 49932288. Its totient is φ = 6935000.

The previous prime is 22885561. The next prime is 22885579. The reversal of 22885566 is 66558822.

It is a super-2 number, since 2×22885566² = 1047498262280712, which contains 22 as substring.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22885561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173310 + ... + 173441.

It is an arithmetic number, because the mean of its divisors is an integer number (3120768).

Almost surely, 2^22885566 is an apocalyptic number.

22885566 is an abundant number, since it is smaller than the sum of its proper divisors (27046722).

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

22885566 is a wasteful number, since it uses less digits than its factorization.

22885566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346767.

The product of its digits is 230400, while the sum is 42.

The square root of 22885566 is about 4783.8860772389. The cubic root of 22885566 is about 283.9142685749.

It can be divided in two parts, 22 and 885566, that added together give a palindrome (885588).

The spelling of 22885566 in words is "twenty-two million, eight hundred eighty-five thousand, five hundred sixty-six".