2231223122 has 8 divisors (see below), whose sum is σ = 3373188096. Its totient is φ = 1106827092.

The previous prime is 2231223091. The next prime is 2231223131. The reversal of 2231223122 is 2213221322.

It is a happy number.

2231223122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×2231223122³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231223094 and 2231223103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4391918 + ... + 4392425.

It is an arithmetic number, because the mean of its divisors is an integer number (421648512).

Almost surely, 2^2231223122 is an apocalyptic number.

2231223122 is a deficient number, since it is larger than the sum of its proper divisors (1141964974).

2231223122 is a wasteful number, since it uses less digits than its factorization.

2231223122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8784472.

The product of its digits is 576, while the sum is 20.

The square root of 2231223122 is about 47235.8245614491. The cubic root of 2231223122 is about 1306.7153735344.

Adding to 2231223122 its reverse (2213221322), we get a palindrome (4444444444).

The spelling of 2231223122 in words is "two billion, two hundred thirty-one million, two hundred twenty-three thousand, one hundred twenty-two".