22022442222 has 32 divisors (see below), whose sum is σ = 49598936064. Its totient is φ = 6458193600.

The previous prime is 22022442179. The next prime is 22022442229. The reversal of 22022442222 is 22224422022.

It is a super-2 number, since 2×22022442222² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22022442192 and 22022442201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022442229) 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, 5379783 + ... + 5383874.

It is an arithmetic number, because the mean of its divisors is an integer number (1549966752).

Almost surely, 2^22022442222 is an apocalyptic number.

22022442222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22022442222 is an abundant number, since it is smaller than the sum of its proper divisors (27576493842).

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

22022442222 is a wasteful number, since it uses less digits than its factorization.

22022442222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10763704.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22022442222 its reverse (22224422022), we get a palindrome (44246864244).

The spelling of 22022442222 in words is "twenty-two billion, twenty-two million, four hundred forty-two thousand, two hundred twenty-two".