11221319 has 4 divisors (see below), whose sum is σ = 11433096. Its totient is φ = 11009544.

The previous prime is 11221307. The next prime is 11221333. The reversal of 11221319 is 91312211.

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 11221319 - 2⁴ = 11221303 is a prime.

It is a super-2 number, since 2×11221319² = 251836000199522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11221319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221369) 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 3 ways as a sum of consecutive naturals, for example, 105809 + ... + 105914.

It is an arithmetic number, because the mean of its divisors is an integer number (2858274).

Almost surely, 2^11221319 is an apocalyptic number.

11221319 is a deficient number, since it is larger than the sum of its proper divisors (211777).

11221319 is an equidigital number, since it uses as much as digits as its factorization.

11221319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211776.

The product of its digits is 108, while the sum is 20.

The square root of 11221319 is about 3349.8237267056. The cubic root of 11221319 is about 223.8796587334.

The spelling of 11221319 in words is "eleven million, two hundred twenty-one thousand, three hundred nineteen".