22022020222 has 4 divisors (see below), whose sum is σ = 33033030336. Its totient is φ = 11011010110.

The previous prime is 22022020213. The next prime is 22022020271. The reversal of 22022020222 is 22202022022.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 22022020196 and 22022020205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505505054 + ... + 5505505057.

It is an arithmetic number, because the mean of its divisors is an integer number (8258257584).

Almost surely, 2^22022020222 is an apocalyptic number.

22022020222 is a deficient number, since it is larger than the sum of its proper divisors (11011010114).

22022020222 is a wasteful number, since it uses less digits than its factorization.

22022020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011010113.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22022020222 its reverse (22202022022), we get a palindrome (44224042244).

The spelling of 22022020222 in words is "twenty-two billion, twenty-two million, twenty thousand, two hundred twenty-two".