22236852 has 96 divisors (see below), whose sum is σ = 60520320. Its totient is φ = 6289920.

The previous prime is 22236817. The next prime is 22236853. The reversal of 22236852 is 25863222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22236853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141558 + ... + 141714.

It is an arithmetic number, because the mean of its divisors is an integer number (630420).

Almost surely, 2^22236852 is an apocalyptic number.

22236852 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22236852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30260160).

22236852 is an abundant number, since it is smaller than the sum of its proper divisors (38283468).

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

22236852 is a wasteful number, since it uses less digits than its factorization.

22236852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 239 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 22236852 is about 4715.5966748652. The cubic root of 22236852 is about 281.2059043955.

The spelling of 22236852 in words is "twenty-two million, two hundred thirty-six thousand, eight hundred fifty-two".