22112319 has 8 divisors (see below), whose sum is σ = 29521072. Its totient is φ = 14722560.

The previous prime is 22112309. The next prime is 22112323. The reversal of 22112319 is 91321122.

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

It is not a de Polignac number, because 22112319 - 2⁵ = 22112287 is a prime.

It is a super-2 number, since 2×22112319² = 977909303115522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22112295 and 22112304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112309) 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 7 ways as a sum of consecutive naturals, for example, 1762 + ... + 6879.

It is an arithmetic number, because the mean of its divisors is an integer number (3690134).

Almost surely, 2^22112319 is an apocalyptic number.

22112319 is a deficient number, since it is larger than the sum of its proper divisors (7408753).

22112319 is an equidigital number, since it uses as much as digits as its factorization.

22112319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9497.

The product of its digits is 216, while the sum is 21.

The square root of 22112319 is about 4702.3737622609. The cubic root of 22112319 is about 280.6799757538.

The spelling of 22112319 in words is "twenty-two million, one hundred twelve thousand, three hundred nineteen".