221119 has 4 divisors (see below), whose sum is σ = 234144. Its totient is φ = 208096.

The previous prime is 221101. The next prime is 221159. The reversal of 221119 is 911122.

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 221119 - 2⁵ = 221087 is a prime.

It is a super-2 number, since 2×221119² = 97787224322, 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 (221159) 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, 6487 + ... + 6520.

It is an arithmetic number, because the mean of its divisors is an integer number (58536).

2²²¹¹¹⁹ is an apocalyptic number.

221119 is a deficient number, since it is larger than the sum of its proper divisors (13025).

221119 is a wasteful number, since it uses less digits than its factorization.

221119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13024.

The product of its digits is 36, while the sum is 16.

The square root of 221119 is about 470.2329210083. The cubic root of 221119 is about 60.4702857066.

The spelling of 221119 in words is "two hundred twenty-one thousand, one hundred nineteen".