22022056 has 32 divisors (see below), whose sum is σ = 47845440. Its totient is φ = 9307008.

The previous prime is 22022053. The next prime is 22022057. The reversal of 22022056 is 65022022.

It is not an unprimeable number, because it can be changed into a prime (22022053) 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, 1395 + ... + 6781.

It is an arithmetic number, because the mean of its divisors is an integer number (1495170).

Almost surely, 2^22022056 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 22022056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23922720).

22022056 is an abundant number, since it is smaller than the sum of its proper divisors (25823384).

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

22022056 is a wasteful number, since it uses less digits than its factorization.

22022056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5473 (or 5469 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22022056 is about 4692.7663483280. The cubic root of 22022056 is about 280.2975408503.

Adding to 22022056 its reverse (65022022), we get a palindrome (87044078).

The spelling of 22022056 in words is "twenty-two million, twenty-two thousand, fifty-six".