231022022200 has 72 divisors (see below), whose sum is σ = 566884063080. Its totient is φ = 87545160000.

The previous prime is 231022022177. The next prime is 231022022201. The reversal of 231022022200 is 2220220132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231022022201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1527676 + ... + 1672075.

It is an arithmetic number, because the mean of its divisors is an integer number (7873389765).

Almost surely, 2^231022022200 is an apocalyptic number.

231022022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231022022200 is an abundant number, since it is smaller than the sum of its proper divisors (335862040880).

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

231022022200 is a wasteful number, since it uses less digits than its factorization.

231022022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3199805 (or 3199777 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 231022022200 its reverse (2220220132), we get a palindrome (233242242332).

The spelling of 231022022200 in words is "two hundred thirty-one billion, twenty-two million, twenty-two thousand, two hundred".