221114231 has 4 divisors (see below), whose sum is σ = 238123032. Its totient is φ = 204105432.

The previous prime is 221114221. The next prime is 221114233. The reversal of 221114231 is 132411122.

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 221114231 - 2⁶ = 221114167 is a prime.

It is a super-2 number, since 2×221114231² = 97783006301442722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221114233) 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, 8504381 + ... + 8504406.

It is an arithmetic number, because the mean of its divisors is an integer number (59530758).

Almost surely, 2^221114231 is an apocalyptic number.

221114231 is a deficient number, since it is larger than the sum of its proper divisors (17008801).

221114231 is a wasteful number, since it uses less digits than its factorization.

221114231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17008800.

The product of its digits is 96, while the sum is 17.

The square root of 221114231 is about 14869.9102552773. The cubic root of 221114231 is about 604.6985097106.

Adding to 221114231 its reverse (132411122), we get a palindrome (353525353).

The spelling of 221114231 in words is "two hundred twenty-one million, one hundred fourteen thousand, two hundred thirty-one".