23223212222 has 32 divisors (see below), whose sum is σ = 40135772160. Its totient is φ = 9871979040.

The previous prime is 23223212189. The next prime is 23223212227. The reversal of 23223212222 is 22221232232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23223212227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 900179 + ... + 925617.

It is an arithmetic number, because the mean of its divisors is an integer number (1254242880).

Almost surely, 2^23223212222 is an apocalyptic number.

23223212222 is a deficient number, since it is larger than the sum of its proper divisors (16912559938).

23223212222 is a wasteful number, since it uses less digits than its factorization.

23223212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25976.

The product of its digits is 2304, while the sum is 23.

Adding to 23223212222 its reverse (22221232232), we get a palindrome (45444444454).

The spelling of 23223212222 in words is "twenty-three billion, two hundred twenty-three million, two hundred twelve thousand, two hundred twenty-two".