1222880056 has 8 divisors (see below), whose sum is σ = 2292900120. Its totient is φ = 611440024.

The previous prime is 1222880039. The next prime is 1222880069. The reversal of 1222880056 is 6500882221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76429996 + ... + 76430011.

It is an arithmetic number, because the mean of its divisors is an integer number (286612515).

Almost surely, 2^1222880056 is an apocalyptic number.

It is an amenable number.

1222880056 is a deficient number, since it is larger than the sum of its proper divisors (1070020064).

1222880056 is a wasteful number, since it uses less digits than its factorization.

1222880056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152860013 (or 152860009 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 1222880056 is about 34969.7019718499. The cubic root of 1222880056 is about 1069.3698959969.

The spelling of 1222880056 in words is "one billion, two hundred twenty-two million, eight hundred eighty thousand, fifty-six".