221372848 has 20 divisors (see below), whose sum is σ = 429146640. Its totient is φ = 110625344.

The previous prime is 221372831. The next prime is 221372849. The reversal of 221372848 is 848273122.

It is a super-2 number, since 2×221372848² = 98011875663262208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (221372849) by changing a digit.

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, 44973 + ... + 49651.

It is an arithmetic number, because the mean of its divisors is an integer number (21457332).

Almost surely, 2^221372848 is an apocalyptic number.

It is an amenable number.

221372848 is a deficient number, since it is larger than the sum of its proper divisors (207773792).

221372848 is a wasteful number, since it uses less digits than its factorization.

221372848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7644 (or 7638 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 221372848 is about 14878.6036979281. The cubic root of 221372848 is about 604.9341712862.

The spelling of 221372848 in words is "two hundred twenty-one million, three hundred seventy-two thousand, eight hundred forty-eight".