2231322100 has 36 divisors (see below), whose sum is σ = 5533680544. Its totient is φ = 765024480.

The previous prime is 2231322091. The next prime is 2231322109. The reversal of 2231322100 is 12231322.

It is an interprime number because it is at equal distance from previous prime (2231322091) and next prime (2231322109).

It is a super-3 number, since 3×2231322100³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231322109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1593102 + ... + 1594501.

Almost surely, 2^2231322100 is an apocalyptic number.

2231322100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231322100 is an abundant number, since it is smaller than the sum of its proper divisors (3302358444).

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

2231322100 is a wasteful number, since it uses less digits than its factorization.

2231322100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187624 (or 3187617 counting only the distinct ones).

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

The square root of 2231322100 is about 47236.8722503935. The cubic root of 2231322100 is about 1306.7346953973.

Adding to 2231322100 its reverse (12231322), we get a palindrome (2243553422).

The spelling of 2231322100 in words is "two billion, two hundred thirty-one million, three hundred twenty-two thousand, one hundred".