22140966 has 32 divisors (see below), whose sum is σ = 46828800. Its totient is φ = 6959520.

The previous prime is 22140959. The next prime is 22140967. The reversal of 22140966 is 66904122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22140967) 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 15 ways as a sum of consecutive naturals, for example, 40656 + ... + 41196.

It is an arithmetic number, because the mean of its divisors is an integer number (1463400).

Almost surely, 2^22140966 is an apocalyptic number.

22140966 is an abundant number, since it is smaller than the sum of its proper divisors (24687834).

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

22140966 is a wasteful number, since it uses less digits than its factorization.

22140966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 22140966 is about 4705.4187911386. The cubic root of 22140966 is about 280.8011324944.

The spelling of 22140966 in words is "twenty-two million, one hundred forty thousand, nine hundred sixty-six".