221039870248 has 16 divisors (see below), whose sum is σ = 414467820000. Its totient is φ = 110515118256.

The previous prime is 221039870221. The next prime is 221039870299. The reversal of 221039870248 is 842078930122.

It is a junction number, because it is equal to n+sod(n) for n = 221039870198 and 221039870207.

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, 403218 + ... + 777601.

It is an arithmetic number, because the mean of its divisors is an integer number (25904238750).

Almost surely, 2^221039870248 is an apocalyptic number.

It is an amenable number.

221039870248 is a deficient number, since it is larger than the sum of its proper divisors (193427949752).

221039870248 is a wasteful number, since it uses less digits than its factorization.

221039870248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204224 (or 1204220 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 221039870248 in words is "two hundred twenty-one billion, thirty-nine million, eight hundred seventy thousand, two hundred forty-eight".