11166822 has 72 divisors (see below), whose sum is σ = 26924976. Its totient is φ = 3464208.

The previous prime is 11166821. The next prime is 11166829. The reversal of 11166822 is 22866111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11166821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 301788 + ... + 301824.

It is an arithmetic number, because the mean of its divisors is an integer number (373958).

Almost surely, 2^11166822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11166822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13462488).

11166822 is an abundant number, since it is smaller than the sum of its proper divisors (15758154).

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

11166822 is an frugal number, since it uses more digits than its factorization.

11166822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 65 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 11166822 is about 3341.6795178473. The cubic root of 11166822 is about 223.5166421552.

The spelling of 11166822 in words is "eleven million, one hundred sixty-six thousand, eight hundred twenty-two".