1222213676 has 12 divisors (see below), whose sum is σ = 2139447408. Its totient is φ = 610942992.

The previous prime is 1222213633. The next prime is 1222213693. The reversal of 1222213676 is 6763122221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23336 + ... + 54671.

It is an arithmetic number, because the mean of its divisors is an integer number (178287284).

Almost surely, 2^1222213676 is an apocalyptic number.

It is an amenable number.

1222213676 is a deficient number, since it is larger than the sum of its proper divisors (917233732).

1222213676 is a wasteful number, since it uses less digits than its factorization.

1222213676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81928 (or 81926 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 1222213676 is about 34960.1727112439. The cubic root of 1222213676 is about 1069.1756179654.

Adding to 1222213676 its reverse (6763122221), we get a palindrome (7985335897).

The spelling of 1222213676 in words is "one billion, two hundred twenty-two million, two hundred thirteen thousand, six hundred seventy-six".