22122032222 has 16 divisors (see below), whose sum is σ = 33636254400. Its totient is φ = 10910762400.

The previous prime is 22122032197. The next prime is 22122032227. The reversal of 22122032222 is 22223022122.

It is a junction number, because it is equal to n+sod(n) for n = 22122032194 and 22122032203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122032227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149222 + ... + 257897.

It is an arithmetic number, because the mean of its divisors is an integer number (2102265900).

Almost surely, 2^22122032222 is an apocalyptic number.

22122032222 is a deficient number, since it is larger than the sum of its proper divisors (11514222178).

22122032222 is a wasteful number, since it uses less digits than its factorization.

22122032222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407491.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22122032222 its reverse (22223022122), we get a palindrome (44345054344).

The spelling of 22122032222 in words is "twenty-two billion, one hundred twenty-two million, thirty-two thousand, two hundred twenty-two".