221846048 has 18 divisors (see below), whose sum is σ = 436925349. Its totient is φ = 110880896.

The previous prime is 221846021. The next prime is 221846069. The reversal of 221846048 is 840648122.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 192987664 + 28858384 = 13892^2 + 5372^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10532.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221845999 and 221846017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 82940 + ... + 85572.

Almost surely, 2^221846048 is an apocalyptic number.

It is an amenable number.

221846048 is a deficient number, since it is larger than the sum of its proper divisors (215079301).

221846048 is an frugal number, since it uses more digits than its factorization.

221846048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276 (or 2635 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 221846048 is about 14894.4972389134. The cubic root of 221846048 is about 605.3648942814.

The spelling of 221846048 in words is "two hundred twenty-one million, eight hundred forty-six thousand, forty-eight".