2122423222 has 4 divisors (see below), whose sum is σ = 3183634836. Its totient is φ = 1061211610.

The previous prime is 2122423169. The next prime is 2122423223. The reversal of 2122423222 is 2223242212.

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

It is a super-2 number, since 2×2122423222² = 9009360666569722568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2122423193 and 2122423202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122423223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530605804 + ... + 530605807.

It is an arithmetic number, because the mean of its divisors is an integer number (795908709).

Almost surely, 2^2122423222 is an apocalyptic number.

2122423222 is a deficient number, since it is larger than the sum of its proper divisors (1061211614).

2122423222 is a wasteful number, since it uses less digits than its factorization.

2122423222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061211613.

The product of its digits is 1536, while the sum is 22.

The square root of 2122423222 is about 46069.7647269877. The cubic root of 2122423222 is about 1285.1209285276.

Adding to 2122423222 its reverse (2223242212), we get a palindrome (4345665434).

The spelling of 2122423222 in words is "two billion, one hundred twenty-two million, four hundred twenty-three thousand, two hundred twenty-two".