11220222022 has 4 divisors (see below), whose sum is σ = 16830333036. Its totient is φ = 5610111010.

The previous prime is 11220222017. The next prime is 11220222103. The reversal of 11220222022 is 22022202211.

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

It is a junction number, because it is equal to n+sod(n) for n = 11220221987 and 11220222005.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2805055504 + ... + 2805055507.

It is an arithmetic number, because the mean of its divisors is an integer number (4207583259).

Almost surely, 2^11220222022 is an apocalyptic number.

11220222022 is a deficient number, since it is larger than the sum of its proper divisors (5610111014).

11220222022 is an equidigital number, since it uses as much as digits as its factorization.

11220222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610111013.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 11220222022 its reverse (22022202211), we get a palindrome (33242424233).

It can be divided in two parts, 11 and 220222022, that multiplied together give a palindrome (2422442242).

The spelling of 11220222022 in words is "eleven billion, two hundred twenty million, two hundred twenty-two thousand, twenty-two".