221043041 has 8 divisors (see below), whose sum is σ = 230952384. Its totient is φ = 211158640.

The previous prime is 221043023. The next prime is 221043059. The reversal of 221043041 is 140340122.

221043041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221043023) and next prime (221043059).

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

It is a cyclic number.

It is not a de Polignac number, because 221043041 - 2⁶ = 221042977 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221043001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13211 + ... + 24831.

It is an arithmetic number, because the mean of its divisors is an integer number (28869048).

Almost surely, 2^221043041 is an apocalyptic number.

It is an amenable number.

221043041 is a deficient number, since it is larger than the sum of its proper divisors (9909343).

221043041 is a wasteful number, since it uses less digits than its factorization.

221043041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12471.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 221043041 is about 14867.5163023284. The cubic root of 221043041 is about 604.6336064439.

Adding to 221043041 its reverse (140340122), we get a palindrome (361383163).

The spelling of 221043041 in words is "two hundred twenty-one million, forty-three thousand, forty-one".