221840848 has 40 divisors (see below), whose sum is σ = 437472000. Its totient is φ = 108960384.

The previous prime is 221840831. The next prime is 221840869. The reversal of 221840848 is 848048122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370053 + ... + 370651.

It is an arithmetic number, because the mean of its divisors is an integer number (10936800).

Almost surely, 2^221840848 is an apocalyptic number.

It is an amenable number.

221840848 is a deficient number, since it is larger than the sum of its proper divisors (215631152).

221840848 is a wasteful number, since it uses less digits than its factorization.

221840848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 37.

The square root of 221840848 is about 14894.3226767786. The cubic root of 221840848 is about 605.3601643917.

The spelling of 221840848 in words is "two hundred twenty-one million, eight hundred forty thousand, eight hundred forty-eight".