22022021122 has 4 divisors (see below), whose sum is σ = 33033031686. Its totient is φ = 11011010560.

The previous prime is 22022021101. The next prime is 22022021141. The reversal of 22022021122 is 22112022022.

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., 22019295321 + 2725801 = 148389^2 + 1651^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22022021096 and 22022021105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505505279 + ... + 5505505282.

Almost surely, 2^22022021122 is an apocalyptic number.

22022021122 is a deficient number, since it is larger than the sum of its proper divisors (11011010564).

22022021122 is a wasteful number, since it uses less digits than its factorization.

22022021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11011010563.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22022021122 its reverse (22112022022), we get a palindrome (44134043144).

The spelling of 22022021122 in words is "twenty-two billion, twenty-two million, twenty-one thousand, one hundred twenty-two".