23222221232 has 40 divisors (see below), whose sum is σ = 51431889696. Its totient is φ = 9950201856.

The previous prime is 23222221219. The next prime is 23222221261. The reversal of 23222221232 is 23212222232.

It is a junction number, because it is equal to n+sod(n) for n = 23222221198 and 23222221207.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 557018 + ... + 597254.

Almost surely, 2^23222221232 is an apocalyptic number.

It is an amenable number.

23222221232 is an abundant number, since it is smaller than the sum of its proper divisors (28209668464).

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

23222221232 is a wasteful number, since it uses less digits than its factorization.

23222221232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45405 (or 45399 counting only the distinct ones).

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

Adding to 23222221232 its reverse (23212222232), we get a palindrome (46434443464).

The spelling of 23222221232 in words is "twenty-three billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred thirty-two".