1222140768 has 48 divisors (see below), whose sum is σ = 3215637936. Its totient is φ = 406425600.

The previous prime is 1222140713. The next prime is 1222140793. The reversal of 1222140768 is 8670412221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 26868 + ... + 56268.

It is an arithmetic number, because the mean of its divisors is an integer number (66992457).

Almost surely, 2^1222140768 is an apocalyptic number.

It is an amenable number.

1222140768 is an abundant number, since it is smaller than the sum of its proper divisors (1993497168).

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

1222140768 is a wasteful number, since it uses less digits than its factorization.

1222140768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29847 (or 29839 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 1222140768 is about 34959.1299662906. The cubic root of 1222140768 is about 1069.1543579060.

Adding to 1222140768 its reverse (8670412221), we get a palindrome (9892552989).

The spelling of 1222140768 in words is "one billion, two hundred twenty-two million, one hundred forty thousand, seven hundred sixty-eight".