22026912 has 48 divisors (see below), whose sum is σ = 58161600. Its totient is φ = 7299072.

The previous prime is 22026911. The next prime is 22026919. The reversal of 22026912 is 21962022.

It is a tau number, because it is divible by the number of its divisors (48).

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

It is not an unprimeable number, because it can be changed into a prime (22026911) 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, 18528 + ... + 19680.

It is an arithmetic number, because the mean of its divisors is an integer number (1211700).

Almost surely, 2^22026912 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 22026912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29080800).

22026912 is an abundant number, since it is smaller than the sum of its proper divisors (36134688).

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

22026912 is a wasteful number, since it uses less digits than its factorization.

22026912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365 (or 1357 counting only the distinct ones).

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

The square root of 22026912 is about 4693.2837118589. The cubic root of 22026912 is about 280.3181417852.

Adding to 22026912 its reverse (21962022), we get a palindrome (43988934).

The spelling of 22026912 in words is "twenty-two million, twenty-six thousand, nine hundred twelve".