11219838 has 16 divisors (see below), whose sum is σ = 25645440. Its totient is φ = 3205656.

The previous prime is 11219833. The next prime is 11219891. The reversal of 11219838 is 83891211.

It is a junction number, because it is equal to n+sod(n) for n = 11219799 and 11219808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11219833) 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, 133528 + ... + 133611.

It is an arithmetic number, because the mean of its divisors is an integer number (1602840).

Almost surely, 2^11219838 is an apocalyptic number.

11219838 is an abundant number, since it is smaller than the sum of its proper divisors (14425602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11219838 is a wasteful number, since it uses less digits than its factorization.

11219838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267151.

The product of its digits is 3456, while the sum is 33.

The square root of 11219838 is about 3349.6026630035. The cubic root of 11219838 is about 223.8698090190.

The spelling of 11219838 in words is "eleven million, two hundred nineteen thousand, eight hundred thirty-eight".