22021120222 has 16 divisors (see below), whose sum is σ = 33284684160. Its totient is φ = 10926479448.

The previous prime is 22021120151. The next prime is 22021120229. The reversal of 22021120222 is 22202112022.

It is a junction number, because it is equal to n+sod(n) for n = 22021120196 and 22021120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021120229) 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, 111193 + ... + 237499.

It is an arithmetic number, because the mean of its divisors is an integer number (2080292760).

Almost surely, 2^22021120222 is an apocalyptic number.

22021120222 is a deficient number, since it is larger than the sum of its proper divisors (11263563938).

22021120222 is a wasteful number, since it uses less digits than its factorization.

22021120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126975.

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

Adding to 22021120222 its reverse (22202112022), we get a palindrome (44223232244).

It can be divided in two parts, 2202112022 and 2, that multiplied together give a palindrome (4404224044).

The spelling of 22021120222 in words is "twenty-two billion, twenty-one million, one hundred twenty thousand, two hundred twenty-two".