22206912 has 224 divisors, whose sum is σ = 76468224. Its totient is φ = 5529600.

The previous prime is 22206911. The next prime is 22206917. The reversal of 22206912 is 21960222.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22206911) 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 31 ways as a sum of consecutive naturals, for example, 541612 + ... + 541652.

It is an arithmetic number, because the mean of its divisors is an integer number (341376).

Almost surely, 2^22206912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22206912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38234112).

22206912 is an abundant number, since it is smaller than the sum of its proper divisors (54261312).

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

22206912 is a wasteful number, since it uses less digits than its factorization.

22206912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22206912 is about 4712.4210338212. The cubic root of 22206912 is about 281.0796412262.

The spelling of 22206912 in words is "twenty-two million, two hundred six thousand, nine hundred twelve".