22100231320 has 16 divisors (see below), whose sum is σ = 49725520560. Its totient is φ = 8840092512.

The previous prime is 22100231317. The next prime is 22100231323. The reversal of 22100231320 is 2313200122.

It is an interprime number because it is at equal distance from previous prime (22100231317) and next prime (22100231323).

It is a junction number, because it is equal to n+sod(n) for n = 22100231294 and 22100231303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100231323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276252852 + ... + 276252931.

It is an arithmetic number, because the mean of its divisors is an integer number (3107845035).

Almost surely, 2^22100231320 is an apocalyptic number.

22100231320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22100231320 is an abundant number, since it is smaller than the sum of its proper divisors (27625289240).

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

22100231320 is a wasteful number, since it uses less digits than its factorization.

22100231320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552505794 (or 552505790 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22100231320 its reverse (2313200122), we get a palindrome (24413431442).

The spelling of 22100231320 in words is "twenty-two billion, one hundred million, two hundred thirty-one thousand, three hundred twenty".