22253056 has 60 divisors (see below), whose sum is σ = 51780168. Its totient is φ = 9526272.

The previous prime is 22253053. The next prime is 22253069. The reversal of 22253056 is 65035222.

It is a self number, because there is not a number n which added to its sum of digits gives 22253056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22253053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24645 + ... + 25531.

Almost surely, 2^22253056 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 22253056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25890084).

22253056 is an abundant number, since it is smaller than the sum of its proper divisors (29527112).

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

22253056 is an frugal number, since it uses more digits than its factorization.

22253056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 896 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 22253056 is about 4717.3144902582. The cubic root of 22253056 is about 281.2741927502.

Adding to 22253056 its reverse (65035222), we get a palindrome (87288278).

The spelling of 22253056 in words is "twenty-two million, two hundred fifty-three thousand, fifty-six".