1133022228 has 96 divisors (see below), whose sum is σ = 3073593600. Its totient is φ = 321936384.

The previous prime is 1133022211. The next prime is 1133022229. The reversal of 1133022228 is 8222203311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1133022198 and 1133022207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133022229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98608 + ... + 109496.

It is an arithmetic number, because the mean of its divisors is an integer number (32016600).

Almost surely, 2^1133022228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133022228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536796800).

1133022228 is an abundant number, since it is smaller than the sum of its proper divisors (1940571372).

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

1133022228 is a wasteful number, since it uses less digits than its factorization.

1133022228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961 (or 10959 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1133022228 is about 33660.3955413480. The cubic root of 1133022228 is about 1042.5081928633.

Adding to 1133022228 its reverse (8222203311), we get a palindrome (9355225539).

The spelling of 1133022228 in words is "one billion, one hundred thirty-three million, twenty-two thousand, two hundred twenty-eight".