1120221992 has 64 divisors (see below), whose sum is σ = 2246330880. Its totient is φ = 522542592.

The previous prime is 1120221979. The next prime is 1120222001. The reversal of 1120221992 is 2991220211.

It is a super-2 number, since 2×1120221992² = 2509794622720896128, 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 15 ways as a sum of consecutive naturals, for example, 3052193 + ... + 3052559.

It is an arithmetic number, because the mean of its divisors is an integer number (35098920).

Almost surely, 2^1120221992 is an apocalyptic number.

It is an amenable number.

1120221992 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1120221992 is a wasteful number, since it uses less digits than its factorization.

1120221992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1120221992 is about 33469.7175369019. The cubic root of 1120221992 is about 1038.5674284656.

The spelling of 1120221992 in words is "one billion, one hundred twenty million, two hundred twenty-one thousand, nine hundred ninety-two".