22242044220 has 48 divisors (see below), whose sum is σ = 67939337088. Its totient is φ = 5392010560.

The previous prime is 22242044213. The next prime is 22242044221. The reversal of 22242044220 is 2244024222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22242044221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16849374 + ... + 16850693.

It is an arithmetic number, because the mean of its divisors is an integer number (1415402856).

Almost surely, 2^22242044220 is an apocalyptic number.

22242044220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22242044220 is an abundant number, since it is smaller than the sum of its proper divisors (45697292868).

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

22242044220 is a wasteful number, since it uses less digits than its factorization.

22242044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33700090 (or 33700088 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22242044220 its reverse (2244024222), we get a palindrome (24486068442).

The spelling of 22242044220 in words is "twenty-two billion, two hundred forty-two million, forty-four thousand, two hundred twenty".