22331140220 has 24 divisors (see below), whose sum is σ = 48934325664. Its totient is φ = 8544088256.

The previous prime is 22331140157. The next prime is 22331140241. The reversal of 22331140220 is 2204113322.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22331140192 and 22331140201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24272519 + ... + 24273438.

It is an arithmetic number, because the mean of its divisors is an integer number (2038930236).

Almost surely, 2^22331140220 is an apocalyptic number.

22331140220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22331140220 is an abundant number, since it is smaller than the sum of its proper divisors (26603185444).

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

22331140220 is a wasteful number, since it uses less digits than its factorization.

22331140220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48545989 (or 48545987 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22331140220 its reverse (2204113322), we get a palindrome (24535253542).

The spelling of 22331140220 in words is "twenty-two billion, three hundred thirty-one million, one hundred forty thousand, two hundred twenty".