22084866 has 16 divisors (see below), whose sum is σ = 49077600. Its totient is φ = 7361604.

The previous prime is 22084861. The next prime is 22084873. The reversal of 22084866 is 66848022.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22084866.

It is not an unprimeable number, because it can be changed into a prime (22084861) 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 7 ways as a sum of consecutive naturals, for example, 204436 + ... + 204543.

It is an arithmetic number, because the mean of its divisors is an integer number (3067350).

Almost surely, 2^22084866 is an apocalyptic number.

22084866 is an abundant number, since it is smaller than the sum of its proper divisors (26992734).

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

22084866 is a wasteful number, since it uses less digits than its factorization.

22084866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408990 (or 408984 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 22084866 is about 4699.4537980493. The cubic root of 22084866 is about 280.5637705677.

The spelling of 22084866 in words is "twenty-two million, eighty-four thousand, eight hundred sixty-six".