1222205022 has 48 divisors (see below), whose sum is σ = 2693742480. Its totient is φ = 400409856.

The previous prime is 1222205011. The next prime is 1222205057. The reversal of 1222205022 is 2205022221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1222204986 and 1222205004.

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 23 ways as a sum of consecutive naturals, for example, 714304 + ... + 716012.

It is an arithmetic number, because the mean of its divisors is an integer number (56119635).

Almost surely, 2^1222205022 is an apocalyptic number.

1222205022 is an abundant number, since it is smaller than the sum of its proper divisors (1471537458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222205022 is a wasteful number, since it uses less digits than its factorization.

1222205022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377 (or 2374 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1222205022 is about 34960.0489416133. The cubic root of 1222205022 is about 1069.1730944930.

Adding to 1222205022 its reverse (2205022221), we get a palindrome (3427227243).

The spelling of 1222205022 in words is "one billion, two hundred twenty-two million, two hundred five thousand, twenty-two".