11219138 has 24 divisors (see below), whose sum is σ = 19699200. Its totient is φ = 4778088.

The previous prime is 11219137. The next prime is 11219141. The reversal of 11219138 is 83191211.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11219137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23183 + ... + 23661.

It is an arithmetic number, because the mean of its divisors is an integer number (820800).

Almost surely, 2^11219138 is an apocalyptic number.

11219138 is a deficient number, since it is larger than the sum of its proper divisors (8480062).

11219138 is a wasteful number, since it uses less digits than its factorization.

11219138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 727 counting only the distinct ones).

The product of its digits is 432, while the sum is 26.

The square root of 11219138 is about 3349.4981713684. The cubic root of 11219138 is about 223.8651532143.

The spelling of 11219138 in words is "eleven million, two hundred nineteen thousand, one hundred thirty-eight".