221014043 has 4 divisors (see below), whose sum is σ = 221309088. Its totient is φ = 220719000.

The previous prime is 221014037. The next prime is 221014049. The reversal of 221014043 is 340410122.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (221014037) and next prime (221014049).

It is a cyclic number.

It is not a de Polignac number, because 221014043 - 2¹⁰ = 221013019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221014049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146396 + ... + 147897.

It is an arithmetic number, because the mean of its divisors is an integer number (55327272).

Almost surely, 2^221014043 is an apocalyptic number.

221014043 is a deficient number, since it is larger than the sum of its proper divisors (295045).

221014043 is an equidigital number, since it uses as much as digits as its factorization.

221014043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295044.

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

The square root of 221014043 is about 14866.5410570179. The cubic root of 221014043 is about 604.6071652404.

Adding to 221014043 its reverse (340410122), we get a palindrome (561424165).

The spelling of 221014043 in words is "two hundred twenty-one million, fourteen thousand, forty-three".