11022312222 has 32 divisors (see below), whose sum is σ = 24558700800. Its totient is φ = 3664403064.

The previous prime is 11022312187. The next prime is 11022312227. The reversal of 11022312222 is 22221322011.

11022312222 is a `hidden beast` number, since 110 + 22 + 312 + 222 = 666.

11022312222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11022312195 and 11022312204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022312227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248818 + ... + 289749.

It is an arithmetic number, because the mean of its divisors is an integer number (767459400).

Almost surely, 2^11022312222 is an apocalyptic number.

11022312222 is an abundant number, since it is smaller than the sum of its proper divisors (13536388578).

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

11022312222 is a wasteful number, since it uses less digits than its factorization.

11022312222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538957 (or 538951 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11022312222 its reverse (22221322011), we get a palindrome (33243634233).

The spelling of 11022312222 in words is "eleven billion, twenty-two million, three hundred twelve thousand, two hundred twenty-two".