11243222442 has 64 divisors (see below), whose sum is σ = 26888457600. Its totient is φ = 3469443840.

The previous prime is 11243222407. The next prime is 11243222491. The reversal of 11243222442 is 24422234211.

It is a happy number.

11243222442 is a `hidden beast` number, since 1 + 1 + 2 + 432 + 224 + 4 + 2 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44392 + ... + 156387.

It is an arithmetic number, because the mean of its divisors is an integer number (420132150).

Almost surely, 2^11243222442 is an apocalyptic number.

11243222442 is an abundant number, since it is smaller than the sum of its proper divisors (15645235158).

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

11243222442 is a wasteful number, since it uses less digits than its factorization.

11243222442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200868 (or 200862 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 11243222442 its reverse (24422234211), we get a palindrome (35665456653).

The spelling of 11243222442 in words is "eleven billion, two hundred forty-three million, two hundred twenty-two thousand, four hundred forty-two".