2222123122 has 16 divisors (see below), whose sum is σ = 3365064000. Its totient is φ = 1100477680.

The previous prime is 2222123117. The next prime is 2222123129. The reversal of 2222123122 is 2213212222.

It is a self number, because there is not a number n which added to its sum of digits gives 2222123122.

It is not an unprimeable number, because it can be changed into a prime (2222123129) 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, 96597 + ... + 117367.

It is an arithmetic number, because the mean of its divisors is an integer number (210316500).

Almost surely, 2^2222123122 is an apocalyptic number.

2222123122 is a deficient number, since it is larger than the sum of its proper divisors (1142940878).

2222123122 is a wasteful number, since it uses less digits than its factorization.

2222123122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21281.

The product of its digits is 384, while the sum is 19.

The square root of 2222123122 is about 47139.4009507970. The cubic root of 2222123122 is about 1304.9364818886.

Adding to 2222123122 its reverse (2213212222), we get a palindrome (4435335344).

The spelling of 2222123122 in words is "two billion, two hundred twenty-two million, one hundred twenty-three thousand, one hundred twenty-two".