220348646 has 8 divisors (see below), whose sum is σ = 377740560. Its totient is φ = 94435128.

The previous prime is 220348619. The next prime is 220348663. The reversal of 220348646 is 646843022.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7869581 + ... + 7869608.

It is an arithmetic number, because the mean of its divisors is an integer number (47217570).

Almost surely, 2^220348646 is an apocalyptic number.

220348646 is a deficient number, since it is larger than the sum of its proper divisors (157391914).

220348646 is a wasteful number, since it uses less digits than its factorization.

220348646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15739198.

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 220348646 is about 14844.1451757924. The cubic root of 220348646 is about 603.9998008128. Note that the first 3 decimals are identical.

The spelling of 220348646 in words is "two hundred twenty million, three hundred forty-eight thousand, six hundred forty-six".