22032120222 has 24 divisors (see below), whose sum is σ = 54555726576. Its totient is φ = 6294891456.

The previous prime is 22032120221. The next prime is 22032120247. The reversal of 22032120222 is 22202123022.

It is a super-2 number, since 2×22032120222² (a number of 21 digits) contains 22 as substring.

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 = 22032120195 and 22032120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22032120221) 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 11 ways as a sum of consecutive naturals, for example, 87428923 + ... + 87429174.

It is an arithmetic number, because the mean of its divisors is an integer number (2273155274).

Almost surely, 2^22032120222 is an apocalyptic number.

22032120222 is an abundant number, since it is smaller than the sum of its proper divisors (32523606354).

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

22032120222 is a wasteful number, since it uses less digits than its factorization.

22032120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174858112 (or 174858109 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 22032120222 its reverse (22202123022), we get a palindrome (44234243244).

The spelling of 22032120222 in words is "twenty-two billion, thirty-two million, one hundred twenty thousand, two hundred twenty-two".