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22119 = 373101

22119 has 8 divisors (see below), whose sum is σ = 30192. Its totient is φ = 14400.

The previous prime is 22111. The next prime is 22123. The reversal of 22119 is 91122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22119 - 23 = 22111 is a prime.

It is a super-2 number, since 2×221192 = 978500322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

22119 is a lucky number.

It is a plaindrome in base 11 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 22098 and 22107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111) 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, 169 + ... + 269.

It is an arithmetic number, because the mean of its divisors is an integer number (3774).

222119 is an apocalyptic number.

22119 is a deficient number, since it is larger than the sum of its proper divisors (8073).

22119 is a wasteful number, since it uses less digits than its factorization.

22119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177.

The product of its digits is 36, while the sum is 15.

The square root of 22119 is about 148.7245776595. The cubic root of 22119 is about 28.0708241055.

Adding to 22119 its product of digits (36), we get a triangular number (22155 = T210).

It can be divided in two parts, 22 and 119, that added together give a palindrome (141).

The spelling of 22119 in words is "twenty-two thousand, one hundred nineteen".

Divisors: 1 3 73 101 219 303 7373 22119