1220852168 has 32 divisors (see below), whose sum is σ = 2367160320. Its totient is φ = 589680000.

The previous prime is 1220852159. The next prime is 1220852189. The reversal of 1220852168 is 8612580221.

It is a happy number.

It is a super-2 number, since 2×1220852168² = 2980960032220600448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144953 + ... + 153143.

It is an arithmetic number, because the mean of its divisors is an integer number (73973760).

Almost surely, 2^1220852168 is an apocalyptic number.

It is an amenable number.

1220852168 is a deficient number, since it is larger than the sum of its proper divisors (1146308152).

1220852168 is a wasteful number, since it uses less digits than its factorization.

1220852168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8829 (or 8825 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 1220852168 is about 34940.6950131219. The cubic root of 1220852168 is about 1068.7784610001.

The spelling of 1220852168 in words is "one billion, two hundred twenty million, eight hundred fifty-two thousand, one hundred sixty-eight".