1222097956 has 48 divisors (see below), whose sum is σ = 2236864896. Its totient is φ = 583824384.

The previous prime is 1222097953. The next prime is 1222097957. The reversal of 1222097956 is 6597902221.

It is not an unprimeable number, because it can be changed into a prime (1222097953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377345 + ... + 1378231.

It is an arithmetic number, because the mean of its divisors is an integer number (46601352).

Almost surely, 2^1222097956 is an apocalyptic number.

It is an amenable number.

1222097956 is a deficient number, since it is larger than the sum of its proper divisors (1014766940).

1222097956 is a wasteful number, since it uses less digits than its factorization.

1222097956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108 (or 1106 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 1222097956 is about 34958.5176459186. The cubic root of 1222097956 is about 1069.1418734820.

The spelling of 1222097956 in words is "one billion, two hundred twenty-two million, ninety-seven thousand, nine hundred fifty-six".