1133022222 has 64 divisors (see below), whose sum is σ = 2728028160. Its totient is φ = 347179392.

The previous prime is 1133022211. The next prime is 1133022229. The reversal of 1133022222 is 2222203311.

It is a Harshad number since it is a multiple of its sum of digits (18).

1133022222 is a modest number, since divided by 22222 gives 11330 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1133022195 and 1133022204.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25123 + ... + 53825.

It is an arithmetic number, because the mean of its divisors is an integer number (42625440).

Almost surely, 2^1133022222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133022222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364014080).

1133022222 is an abundant number, since it is smaller than the sum of its proper divisors (1595005938).

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

1133022222 is a wasteful number, since it uses less digits than its factorization.

1133022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28774 (or 28768 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1133022222 is about 33660.3954522225. The cubic root of 1133022222 is about 1042.5081910231.

Adding to 1133022222 its reverse (2222203311), we get a palindrome (3355225533).

The spelling of 1133022222 in words is "one billion, one hundred thirty-three million, twenty-two thousand, two hundred twenty-two".