11822144 has 14 divisors (see below), whose sum is σ = 23459694. Its totient is φ = 5911040.

The previous prime is 11822143. The next prime is 11822149. The reversal of 11822144 is 44122811.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 262144 = 3400^2 + 512^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11822143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 92297 + ... + 92424.

Almost surely, 2^11822144 is an apocalyptic number.

It is an amenable number.

11822144 is a deficient number, since it is larger than the sum of its proper divisors (11637550).

11822144 is an equidigital number, since it uses as much as digits as its factorization.

11822144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184733 (or 184723 counting only the distinct ones).

The product of its digits is 512, while the sum is 23.

The square root of 11822144 is about 3438.3344805298. The cubic root of 11822144 is about 227.8061345797.

Adding to 11822144 its reverse (44122811), we get a palindrome (55944955).

The spelling of 11822144 in words is "eleven million, eight hundred twenty-two thousand, one hundred forty-four".