11220311422 has 4 divisors (see below), whose sum is σ = 16830467136. Its totient is φ = 5610155710.

The previous prime is 11220311413. The next prime is 11220311437. The reversal of 11220311422 is 22411302211.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11220311422.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2805077854 + ... + 2805077857.

It is an arithmetic number, because the mean of its divisors is an integer number (4207616784).

Almost surely, 2^11220311422 is an apocalyptic number.

11220311422 is a deficient number, since it is larger than the sum of its proper divisors (5610155714).

11220311422 is an equidigital number, since it uses as much as digits as its factorization.

11220311422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610155713.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11220311422 its reverse (22411302211), we get a palindrome (33631613633).

The spelling of 11220311422 in words is "eleven billion, two hundred twenty million, three hundred eleven thousand, four hundred twenty-two".