221041006 has 8 divisors (see below), whose sum is σ = 333982080. Its totient is φ = 109713648.

The previous prime is 221040979. The next prime is 221041019. The reversal of 221041006 is 600140122.

221041006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403086 + ... + 403633.

It is an arithmetic number, because the mean of its divisors is an integer number (41747760).

Almost surely, 2^221041006 is an apocalyptic number.

221041006 is a deficient number, since it is larger than the sum of its proper divisors (112941074).

221041006 is a wasteful number, since it uses less digits than its factorization.

221041006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806858.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 221041006 is about 14867.4478643781. The cubic root of 221041006 is about 604.6317509483.

Adding to 221041006 its reverse (600140122), we get a palindrome (821181128).

The spelling of 221041006 in words is "two hundred twenty-one million, forty-one thousand, six".