22160244 has 24 divisors (see below), whose sum is σ = 52212160. Its totient is φ = 7314624.

The previous prime is 22160239. The next prime is 22160249. The reversal of 22160244 is 44206122.

It is an interprime number because it is at equal distance from previous prime (22160239) and next prime (22160249).

It is a self number, because there is not a number n which added to its sum of digits gives 22160244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22160249) 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 7 ways as a sum of consecutive naturals, for example, 7729 + ... + 10200.

Almost surely, 2^22160244 is an apocalyptic number.

It is an amenable number.

22160244 is an abundant number, since it is smaller than the sum of its proper divisors (30051916).

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

22160244 is a wasteful number, since it uses less digits than its factorization.

22160244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18039 (or 18037 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22160244 is about 4707.4668347212. The cubic root of 22160244 is about 280.8826061134.

Adding to 22160244 its reverse (44206122), we get a palindrome (66366366).

The spelling of 22160244 in words is "twenty-two million, one hundred sixty thousand, two hundred forty-four".