2122223122 has 4 divisors (see below), whose sum is σ = 3183334686. Its totient is φ = 1061111560.

The previous prime is 2122223053. The next prime is 2122223167. The reversal of 2122223122 is 2213222212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1605524761 + 516698361 = 40069^2 + 22731^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2122223122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530555779 + ... + 530555782.

Almost surely, 2^2122223122 is an apocalyptic number.

2122223122 is a deficient number, since it is larger than the sum of its proper divisors (1061111564).

2122223122 is a wasteful number, since it uses less digits than its factorization.

2122223122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061111563.

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

The square root of 2122223122 is about 46067.5929694617. The cubic root of 2122223122 is about 1285.0805406073.

Adding to 2122223122 its reverse (2213222212), we get a palindrome (4335445334).

It can be divided in two parts, 21222 and 23122, that added together give a palindrome (44344).

The spelling of 2122223122 in words is "two billion, one hundred twenty-two million, two hundred twenty-three thousand, one hundred twenty-two".