1222205676 has 24 divisors (see below), whose sum is σ = 2852881920. Its totient is φ = 407249232.

The previous prime is 1222205657. The next prime is 1222205683. The reversal of 1222205676 is 6765022221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17005 + ... + 52283.

It is an arithmetic number, because the mean of its divisors is an integer number (118870080).

Almost surely, 2^1222205676 is an apocalyptic number.

It is an amenable number.

1222205676 is an abundant number, since it is smaller than the sum of its proper divisors (1630676244).

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

1222205676 is a wasteful number, since it uses less digits than its factorization.

1222205676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38173 (or 38171 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 1222205676 is about 34960.0582951459. The cubic root of 1222205676 is about 1069.1732851972.

Adding to 1222205676 its reverse (6765022221), we get a palindrome (7987227897).

The spelling of 1222205676 in words is "one billion, two hundred twenty-two million, two hundred five thousand, six hundred seventy-six".