1222117022 has 16 divisors (see below), whose sum is σ = 2107607040. Its totient is φ = 520627128.

The previous prime is 1222117019. The next prime is 1222117027. The reversal of 1222117022 is 2207112221.

It is a junction number, because it is equal to n+sod(n) for n = 1222116985 and 1222117003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222117027) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 259022 + ... + 263697.

It is an arithmetic number, because the mean of its divisors is an integer number (131725440).

Almost surely, 2^1222117022 is an apocalyptic number.

1222117022 is a deficient number, since it is larger than the sum of its proper divisors (885490018).

1222117022 is a wasteful number, since it uses less digits than its factorization.

1222117022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522895.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1222117022 is about 34958.7903394840. The cubic root of 1222117022 is about 1069.1474333617.

Adding to 1222117022 its reverse (2207112221), we get a palindrome (3429229243).

The spelling of 1222117022 in words is "one billion, two hundred twenty-two million, one hundred seventeen thousand, twenty-two".