11157822 has 48 divisors (see below), whose sum is σ = 26692848. Its totient is φ = 3346560.

The previous prime is 11157803. The next prime is 11157823. The reversal of 11157822 is 22875111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11157823) 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 23 ways as a sum of consecutive naturals, for example, 9013 + ... + 10175.

It is an arithmetic number, because the mean of its divisors is an integer number (556101).

Almost surely, 2^11157822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11157822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13346424).

11157822 is an abundant number, since it is smaller than the sum of its proper divisors (15535026).

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

11157822 is a wasteful number, since it uses less digits than its factorization.

11157822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 1222 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 11157822 is about 3340.3326181684. The cubic root of 11157822 is about 223.4565776040.

The spelling of 11157822 in words is "eleven million, one hundred fifty-seven thousand, eight hundred twenty-two".