11213224442 has 8 divisors (see below), whose sum is σ = 19222670496. Its totient is φ = 4805667612.

The previous prime is 11213224367. The next prime is 11213224447. The reversal of 11213224442 is 24442231211.

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

It is a super-2 number, since 2×11213224442² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11213224447) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 400472288 + ... + 400472315.

It is an arithmetic number, because the mean of its divisors is an integer number (2402833812).

Almost surely, 2^11213224442 is an apocalyptic number.

11213224442 is a deficient number, since it is larger than the sum of its proper divisors (8009446054).

11213224442 is an equidigital number, since it uses as much as digits as its factorization.

11213224442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800944612.

The product of its digits is 3072, while the sum is 26.

Adding to 11213224442 its reverse (24442231211), we get a palindrome (35655455653).

The spelling of 11213224442 in words is "eleven billion, two hundred thirteen million, two hundred twenty-four thousand, four hundred forty-two".