23223221222 has 4 divisors (see below), whose sum is σ = 34834831836. Its totient is φ = 11611610610.

The previous prime is 23223221213. The next prime is 23223221237. The reversal of 23223221222 is 22212232232.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805805304 + ... + 5805805307.

It is an arithmetic number, because the mean of its divisors is an integer number (8708707959).

Almost surely, 2^23223221222 is an apocalyptic number.

23223221222 is a deficient number, since it is larger than the sum of its proper divisors (11611610614).

23223221222 is a wasteful number, since it uses less digits than its factorization.

23223221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11611610613.

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

Adding to 23223221222 its reverse (22212232232), we get a palindrome (45435453454).

The spelling of 23223221222 in words is "twenty-three billion, two hundred twenty-three million, two hundred twenty-one thousand, two hundred twenty-two".