22352112 has 60 divisors (see below), whose sum is σ = 64883000. Its totient is φ = 7449408.

The previous prime is 22352111. The next prime is 22352123. The reversal of 22352112 is 21125322.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22352111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1014 + ... + 6762.

Almost surely, 2^22352112 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 22352112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32441500).

22352112 is an abundant number, since it is smaller than the sum of its proper divisors (42530888).

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

22352112 is an equidigital number, since it uses as much as digits as its factorization.

22352112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5772 (or 5754 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 22352112 is about 4727.8020263120. The cubic root of 22352112 is about 281.6909243879.

Adding to 22352112 its reverse (21125322), we get a palindrome (43477434).

The spelling of 22352112 in words is "twenty-two million, three hundred fifty-two thousand, one hundred twelve".