1123332221 has 8 divisors (see below), whose sum is σ = 1232301600. Its totient is φ = 1015504240.

The previous prime is 1123332187. The next prime is 1123332229. The reversal of 1123332221 is 1222333211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123332221 - 2¹⁰ = 1123331197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1123332193 and 1123332202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123332229) 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, 283286 + ... + 287223.

It is an arithmetic number, because the mean of its divisors is an integer number (154037700).

Almost surely, 2^1123332221 is an apocalyptic number.

1123332221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1123332221 is a deficient number, since it is larger than the sum of its proper divisors (108969379).

1123332221 is a wasteful number, since it uses less digits than its factorization.

1123332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570699.

The product of its digits is 432, while the sum is 20.

The square root of 1123332221 is about 33516.1486600116. The cubic root of 1123332221 is about 1039.5277136266.

Adding to 1123332221 its reverse (1222333211), we get a palindrome (2345665432).

It can be divided in two parts, 112 and 3332221, that added together give a palindrome (3332333).

The spelling of 1123332221 in words is "one billion, one hundred twenty-three million, three hundred thirty-two thousand, two hundred twenty-one".