11138822 has 4 divisors (see below), whose sum is σ = 16708236. Its totient is φ = 5569410.

The previous prime is 11138821. The next prime is 11138833. The reversal of 11138822 is 22883111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22883111 = 1009 ⋅22679.

It is a junction number, because it is equal to n+sod(n) for n = 11138791 and 11138800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11138821) 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 as a sum of consecutive naturals, namely, 2784704 + ... + 2784707.

It is an arithmetic number, because the mean of its divisors is an integer number (4177059).

Almost surely, 2^11138822 is an apocalyptic number.

11138822 is a deficient number, since it is larger than the sum of its proper divisors (5569414).

11138822 is an equidigital number, since it uses as much as digits as its factorization.

11138822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5569413.

The product of its digits is 768, while the sum is 26.

The square root of 11138822 is about 3337.4873782533. The cubic root of 11138822 is about 223.3296685124.

The spelling of 11138822 in words is "eleven million, one hundred thirty-eight thousand, eight hundred twenty-two".