22221222022 has 16 divisors (see below), whose sum is σ = 33569324640. Its totient is φ = 11031553728.

The previous prime is 22221222017. The next prime is 22221222083. The reversal of 22221222022 is 22022212222.

It is a congruent number.

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, 403354 + ... + 455122.

It is an arithmetic number, because the mean of its divisors is an integer number (2098082790).

Almost surely, 2^22221222022 is an apocalyptic number.

22221222022 is a deficient number, since it is larger than the sum of its proper divisors (11348102618).

22221222022 is a wasteful number, since it uses less digits than its factorization.

22221222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53295.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22221222022 its reverse (22022212222), we get a palindrome (44243434244).

The spelling of 22221222022 in words is "twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, twenty-two".