1220306882 has 8 divisors (see below), whose sum is σ = 1926800400. Its totient is φ = 578040084.

The previous prime is 1220306873. The next prime is 1220306897. The reversal of 1220306882 is 2886030221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16056632 + ... + 16056707.

It is an arithmetic number, because the mean of its divisors is an integer number (240850050).

Almost surely, 2^1220306882 is an apocalyptic number.

1220306882 is a deficient number, since it is larger than the sum of its proper divisors (706493518).

1220306882 is a wasteful number, since it uses less digits than its factorization.

1220306882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32113360.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1220306882 is about 34932.8911199746. The cubic root of 1220306882 is about 1068.6193162281.

The spelling of 1220306882 in words is "one billion, two hundred twenty million, three hundred six thousand, eight hundred eighty-two".