1222102212 has 48 divisors (see below), whose sum is σ = 2971164672. Its totient is φ = 390529440.

The previous prime is 1222102201. The next prime is 1222102261. The reversal of 1222102212 is 2122012221.

It is a junction number, because it is equal to n+sod(n) for n = 1222102191 and 1222102200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24453 + ... + 55155.

It is an arithmetic number, because the mean of its divisors is an integer number (61899264).

Almost surely, 2^1222102212 is an apocalyptic number.

1222102212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1222102212 is an abundant number, since it is smaller than the sum of its proper divisors (1749062460).

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

1222102212 is a wasteful number, since it uses less digits than its factorization.

1222102212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30848 (or 30846 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1222102212 is about 34958.5785180119. The cubic root of 1222102212 is about 1069.1431145888.

Adding to 1222102212 its reverse (2122012221), we get a palindrome (3344114433).

The spelling of 1222102212 in words is "one billion, two hundred twenty-two million, one hundred two thousand, two hundred twelve".