23210112222 has 64 divisors (see below), whose sum is σ = 58713361920. Its totient is φ = 6727564800.

The previous prime is 23210112221. The next prime is 23210112241. The reversal of 23210112222 is 22221101232.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23210112195 and 23210112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23210112221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 835779 + ... + 863102.

It is an arithmetic number, because the mean of its divisors is an integer number (917396280).

Almost surely, 2^23210112222 is an apocalyptic number.

23210112222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23210112222 is an abundant number, since it is smaller than the sum of its proper divisors (35503249698).

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

23210112222 is a wasteful number, since it uses less digits than its factorization.

23210112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698926 (or 1698920 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 23210112222 its reverse (22221101232), we get a palindrome (45431213454).

The spelling of 23210112222 in words is "twenty-three billion, two hundred ten million, one hundred twelve thousand, two hundred twenty-two".