22240324220 has 24 divisors (see below), whose sum is σ = 49162822800. Its totient is φ = 8427912192.

The previous prime is 22240324217. The next prime is 22240324231. The reversal of 22240324220 is 2242304222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29263205 + ... + 29263964.

It is an arithmetic number, because the mean of its divisors is an integer number (2048450950).

Almost surely, 2^22240324220 is an apocalyptic number.

22240324220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22240324220 is an abundant number, since it is smaller than the sum of its proper divisors (26922498580).

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

22240324220 is a wasteful number, since it uses less digits than its factorization.

22240324220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58527197 (or 58527195 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 22240324220 its reverse (2242304222), we get a palindrome (24482628442).

The spelling of 22240324220 in words is "twenty-two billion, two hundred forty million, three hundred twenty-four thousand, two hundred twenty".