220946486 has 8 divisors (see below), whose sum is σ = 342110784. Its totient is φ = 106909560.

The previous prime is 220946471. The next prime is 220946491. The reversal of 220946486 is 684649022.

220946486 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1781765 + ... + 1781888.

It is an arithmetic number, because the mean of its divisors is an integer number (42763848).

Almost surely, 2^220946486 is an apocalyptic number.

220946486 is a deficient number, since it is larger than the sum of its proper divisors (121164298).

220946486 is a wasteful number, since it uses less digits than its factorization.

220946486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563686.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 220946486 is about 14864.2687677531. The cubic root of 220946486 is about 604.5455558692.

The spelling of 220946486 in words is "two hundred twenty million, nine hundred forty-six thousand, four hundred eighty-six".