22331023222 has 4 divisors (see below), whose sum is σ = 33496534836. Its totient is φ = 11165511610.

The previous prime is 22331023213. The next prime is 22331023229. The reversal of 22331023222 is 22232013322.

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

It is a super-2 number, since 2×22331023222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22331023193 and 22331023202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22331023229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5582755804 + ... + 5582755807.

It is an arithmetic number, because the mean of its divisors is an integer number (8374133709).

Almost surely, 2^22331023222 is an apocalyptic number.

22331023222 is a deficient number, since it is larger than the sum of its proper divisors (11165511614).

22331023222 is a wasteful number, since it uses less digits than its factorization.

22331023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11165511613.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22331023222 its reverse (22232013322), we get a palindrome (44563036544).

The spelling of 22331023222 in words is "twenty-two billion, three hundred thirty-one million, twenty-three thousand, two hundred twenty-two".