22122224122 has 16 divisors (see below), whose sum is σ = 34329259944. Its totient is φ = 10684480000.

The previous prime is 22122224119. The next prime is 22122224129. The reversal of 22122224122 is 22142222122.

It can be written as a sum of positive squares in 4 ways, for example, as 11677179721 + 10445044401 = 108061^2 + 102201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22122224093 and 22122224102.

It is not an unprimeable number, because it can be changed into a prime (22122224129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1327279 + ... + 1343842.

Almost surely, 2^22122224122 is an apocalyptic number.

22122224122 is a deficient number, since it is larger than the sum of its proper divisors (12207035822).

22122224122 is a wasteful number, since it uses less digits than its factorization.

22122224122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671265.

The product of its digits is 1024, while the sum is 22.

Adding to 22122224122 its reverse (22142222122), we get a palindrome (44264446244).

The spelling of 22122224122 in words is "twenty-two billion, one hundred twenty-two million, two hundred twenty-four thousand, one hundred twenty-two".