23223022222 has 4 divisors (see below), whose sum is σ = 34834533336. Its totient is φ = 11611511110.

The previous prime is 23223022217. The next prime is 23223022241. The reversal of 23223022222 is 22222032232.

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

It is a super-2 number, since 2×23223022222² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 23223022193 and 23223022202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805755554 + ... + 5805755557.

It is an arithmetic number, because the mean of its divisors is an integer number (8708633334).

Almost surely, 2^23223022222 is an apocalyptic number.

23223022222 is a deficient number, since it is larger than the sum of its proper divisors (11611511114).

23223022222 is a wasteful number, since it uses less digits than its factorization.

23223022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11611511113.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 23223022222 its reverse (22222032232), we get a palindrome (45445054454).

It can be divided in two parts, 232230 and 22222, that added together give a palindrome (254452).

The spelling of 23223022222 in words is "twenty-three billion, two hundred twenty-three million, twenty-two thousand, two hundred twenty-two".