11522442 has 8 divisors (see below), whose sum is σ = 23044896. Its totient is φ = 3840812.

The previous prime is 11522437. The next prime is 11522449. The reversal of 11522442 is 24422511.

It is a sphenic number, since it is the product of 3 distinct primes.

11522442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11522449) 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 in 3 ways as a sum of consecutive naturals, for example, 960198 + ... + 960209.

It is an arithmetic number, because the mean of its divisors is an integer number (2880612).

Almost surely, 2^11522442 is an apocalyptic number.

11522442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11522442 is a wasteful number, since it uses less digits than its factorization.

11522442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920412.

The product of its digits is 640, while the sum is 21.

The square root of 11522442 is about 3394.4722712080. The cubic root of 11522442 is about 225.8646042066.

Adding to 11522442 its reverse (24422511), we get a palindrome (35944953).

The spelling of 11522442 in words is "eleven million, five hundred twenty-two thousand, four hundred forty-two".