22021222332 has 24 divisors (see below), whose sum is σ = 51386178256. Its totient is φ = 7339932288.

The previous prime is 22021222309. The next prime is 22021222339. The reversal of 22021222332 is 23322212022.

It is a junction number, because it is equal to n+sod(n) for n = 22021222299 and 22021222308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021222339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168768 + ... + 269304.

Almost surely, 2^22021222332 is an apocalyptic number.

It is an amenable number.

22021222332 is an abundant number, since it is smaller than the sum of its proper divisors (29364955924).

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

22021222332 is a wasteful number, since it uses less digits than its factorization.

22021222332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118797 (or 118795 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22021222332 its reverse (23322212022), we get a palindrome (45343434354).

The spelling of 22021222332 in words is "twenty-two billion, twenty-one million, two hundred twenty-two thousand, three hundred thirty-two".