1222013122 has 24 divisors (see below), whose sum is σ = 2047861116. Its totient is φ = 546348000.

The previous prime is 1222013059. The next prime is 1222013137. The reversal of 1222013122 is 2213102221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 915728121 + 306285001 = 30261^2 + 17501^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1222013096 and 1222013105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26629 + ... + 56152.

Almost surely, 2^1222013122 is an apocalyptic number.

1222013122 is a deficient number, since it is larger than the sum of its proper divisors (825847994).

1222013122 is a wasteful number, since it uses less digits than its factorization.

1222013122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82866 (or 82855 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1222013122 is about 34957.3042724979. The cubic root of 1222013122 is about 1069.1171341447.

Adding to 1222013122 its reverse (2213102221), we get a palindrome (3435115343).

The spelling of 1222013122 in words is "one billion, two hundred twenty-two million, thirteen thousand, one hundred twenty-two".