22036 has 12 divisors (see below), whose sum is σ = 44128. Its totient is φ = 9432.

The previous prime is 22031. The next prime is 22037. The reversal of 22036 is 63022.

22036 = 18² + 19² + ... + 41².

22036 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031) by changing a digit.

22036 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366 + ... + 421.

2²²⁰³⁶ is an apocalyptic number.

It is an amenable number.

22036 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.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22064).

22036 is a wasteful number, since it uses less digits than its factorization.

22036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22036 is about 148.4452761121. The cubic root of 22036 is about 28.0356688284.

Adding to 22036 its reverse (63022), we get a palindrome (85058).

It can be divided in two parts, 2203 and 6, that added together give a square (2209 = 47²).

The spelling of 22036 in words is "twenty-two thousand, thirty-six".