1123143222 has 32 divisors (see below), whose sum is σ = 2345771520. Its totient is φ = 357825600.

The previous prime is 1123143173. The next prime is 1123143253. The reversal of 1123143222 is 2223413211.

It is a super-2 number, since 2×1123143222² = 2522901394249082568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246279 + ... + 250797.

It is an arithmetic number, because the mean of its divisors is an integer number (73305360).

Almost surely, 2^1123143222 is an apocalyptic number.

1123143222 is an abundant number, since it is smaller than the sum of its proper divisors (1222628298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123143222 is a wasteful number, since it uses less digits than its factorization.

1123143222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6348.

The product of its digits is 576, while the sum is 21.

The square root of 1123143222 is about 33513.3290199586. The cubic root of 1123143222 is about 1039.4694106852.

Adding to 1123143222 its reverse (2223413211), we get a palindrome (3346556433).

The spelling of 1123143222 in words is "one billion, one hundred twenty-three million, one hundred forty-three thousand, two hundred twenty-two".