221032043 has 8 divisors (see below), whose sum is σ = 227264928. Its totient is φ = 214812864.

The previous prime is 221032039. The next prime is 221032051. The reversal of 221032043 is 340230122.

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 221032043 - 2² = 221032039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221032003) 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, 35330 + ... + 41112.

It is an arithmetic number, because the mean of its divisors is an integer number (28408116).

Almost surely, 2^221032043 is an apocalyptic number.

221032043 is a deficient number, since it is larger than the sum of its proper divisors (6232885).

221032043 is a wasteful number, since it uses less digits than its factorization.

221032043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6853.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 221032043 is about 14867.1464309732. The cubic root of 221032043 is about 604.6235784260.

Adding to 221032043 its reverse (340230122), we get a palindrome (561262165).

The spelling of 221032043 in words is "two hundred twenty-one million, thirty-two thousand, forty-three".