221014223 has 4 divisors (see below), whose sum is σ = 221057568. Its totient is φ = 220970880.

The previous prime is 221014219. The next prime is 221014243. The reversal of 221014223 is 322410122.

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

It is a cyclic number.

It is not a de Polignac number, because 221014223 - 2² = 221014219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221014243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12818 + ... + 24623.

It is an arithmetic number, because the mean of its divisors is an integer number (55264392).

Almost surely, 2^221014223 is an apocalyptic number.

221014223 is a deficient number, since it is larger than the sum of its proper divisors (43345).

221014223 is an equidigital number, since it uses as much as digits as its factorization.

221014223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43344.

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

The square root of 221014223 is about 14866.5471108795. The cubic root of 221014223 is about 604.6073293767.

Adding to 221014223 its reverse (322410122), we get a palindrome (543424345).

The spelling of 221014223 in words is "two hundred twenty-one million, fourteen thousand, two hundred twenty-three".