22021303222 has 4 divisors (see below), whose sum is σ = 33031954836. Its totient is φ = 11010651610.

The previous prime is 22021303219. The next prime is 22021303229. The reversal of 22021303222 is 22230312022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22230312022 = 2 ⋅11115156011.

It is a self number, because there is not a number n which added to its sum of digits gives 22021303222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021303229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505325804 + ... + 5505325807.

It is an arithmetic number, because the mean of its divisors is an integer number (8257988709).

Almost surely, 2^22021303222 is an apocalyptic number.

22021303222 is a deficient number, since it is larger than the sum of its proper divisors (11010651614).

22021303222 is a wasteful number, since it uses less digits than its factorization.

22021303222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010651613.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22021303222 its reverse (22230312022), we get a palindrome (44251615244).

The spelling of 22021303222 in words is "twenty-two billion, twenty-one million, three hundred three thousand, two hundred twenty-two".