221944848 has 40 divisors (see below), whose sum is σ = 598289088. Its totient is φ = 70764672.

The previous prime is 221944829. The next prime is 221944861. The reversal of 221944848 is 848449122.

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, 99415 + ... + 101622.

Almost surely, 2^221944848 is an apocalyptic number.

It is an amenable number.

221944848 is an abundant number, since it is smaller than the sum of its proper divisors (376344240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221944848 is a wasteful number, since it uses less digits than its factorization.

221944848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201071 (or 201065 counting only the distinct ones).

The product of its digits is 147456, while the sum is 42.

The square root of 221944848 is about 14897.8135308508. The cubic root of 221944848 is about 605.4547481469.

The spelling of 221944848 in words is "two hundred twenty-one million, nine hundred forty-four thousand, eight hundred forty-eight".