22221322322 has 4 divisors (see below), whose sum is σ = 33331983486. Its totient is φ = 11110661160.

The previous prime is 22221322271. The next prime is 22221322351. The reversal of 22221322322 is 22322312222.

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

It can be written as a sum of positive squares in only one way, i.e., 15462673801 + 6758648521 = 124349^2 + 82211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555330579 + ... + 5555330582.

Almost surely, 2^22221322322 is an apocalyptic number.

22221322322 is a deficient number, since it is larger than the sum of its proper divisors (11110661164).

22221322322 is a wasteful number, since it uses less digits than its factorization.

22221322322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11110661163.

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

Adding to 22221322322 its reverse (22322312222), we get a palindrome (44543634544).

The spelling of 22221322322 in words is "twenty-two billion, two hundred twenty-one million, three hundred twenty-two thousand, three hundred twenty-two".