22036272 has 20 divisors (see below), whose sum is σ = 56927160. Its totient is φ = 7345408.

The previous prime is 22036271. The next prime is 22036283. The reversal of 22036272 is 27263022.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (22036271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229497 + ... + 229592.

It is an arithmetic number, because the mean of its divisors is an integer number (2846358).

Almost surely, 2^22036272 is an apocalyptic number.

It is an amenable number.

22036272 is an abundant number, since it is smaller than the sum of its proper divisors (34890888).

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

22036272 is a wasteful number, since it uses less digits than its factorization.

22036272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459100 (or 459094 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 22036272 is about 4694.2807755821. The cubic root of 22036272 is about 280.3578418008.

Adding to 22036272 its reverse (27263022), we get a palindrome (49299294).

The spelling of 22036272 in words is "twenty-two million, thirty-six thousand, two hundred seventy-two".