11219439 has 32 divisors (see below), whose sum is σ = 19754496. Its totient is φ = 5483520.

The previous prime is 11219437. The next prime is 11219441. The reversal of 11219439 is 93491211.

It is an interprime number because it is at equal distance from previous prime (11219437) and next prime (11219441).

It is not a de Polignac number, because 11219439 - 2¹ = 11219437 is a prime.

It is a super-2 number, since 2×11219439² = 251751622949442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11219437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2499 + ... + 5355.

It is an arithmetic number, because the mean of its divisors is an integer number (617328).

Almost surely, 2^11219439 is an apocalyptic number.

11219439 is a deficient number, since it is larger than the sum of its proper divisors (8535057).

11219439 is a wasteful number, since it uses less digits than its factorization.

11219439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895.

The product of its digits is 1944, while the sum is 30.

The square root of 11219439 is about 3349.5431031709. The cubic root of 11219439 is about 223.8671552340.

The spelling of 11219439 in words is "eleven million, two hundred nineteen thousand, four hundred thirty-nine".