22286336 has 26 divisors (see below), whose sum is σ = 44575422. Its totient is φ = 11141120.

The previous prime is 22286323. The next prime is 22286353. The reversal of 22286336 is 63368222.

It can be written as a sum of positive squares in only one way, i.e., 20647936 + 1638400 = 4544^2 + 1280^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1376 + ... + 6816.

Almost surely, 2^22286336 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 22286336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22287711).

22286336 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22286336 is an frugal number, since it uses more digits than its factorization.

22286336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5465 (or 5443 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 22286336 is about 4720.8406031130. The cubic root of 22286336 is about 281.4143404310.

It can be divided in two parts, 22286 and 336, that added together give a palindrome (22622).

The spelling of 22286336 in words is "twenty-two million, two hundred eighty-six thousand, three hundred thirty-six".