221015848 has 16 divisors (see below), whose sum is σ = 420590880. Its totient is φ = 108858288.

The previous prime is 221015843. The next prime is 221015857. The reversal of 221015848 is 848510122.

221015848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (221015843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205636 + ... + 206707.

It is an arithmetic number, because the mean of its divisors is an integer number (26286930).

Almost surely, 2^221015848 is an apocalyptic number.

It is an amenable number.

221015848 is a deficient number, since it is larger than the sum of its proper divisors (199575032).

221015848 is a wasteful number, since it uses less digits than its factorization.

221015848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412416 (or 412412 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 221015848 is about 14866.6017636849. The cubic root of 221015848 is about 604.6088111584.

The spelling of 221015848 in words is "two hundred twenty-one million, fifteen thousand, eight hundred forty-eight".