1133222320 has 60 divisors (see below), whose sum is σ = 2780781840. Its totient is φ = 429420672.

The previous prime is 1133222303. The next prime is 1133222327. The reversal of 1133222320 is 232223311.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (1133222327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9261 + ... + 48499.

It is an arithmetic number, because the mean of its divisors is an integer number (46346364).

Almost surely, 2^1133222320 is an apocalyptic number.

1133222320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133222320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390390920).

1133222320 is an abundant number, since it is smaller than the sum of its proper divisors (1647559520).

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

1133222320 is a wasteful number, since it uses less digits than its factorization.

1133222320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39290 (or 39265 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1133222320 is about 33663.3676271403. The cubic root of 1133222320 is about 1042.5695583175.

Adding to 1133222320 its reverse (232223311), we get a palindrome (1365445631).

Subtracting from 1133222320 its reverse (232223311), we obtain a palindrome (900999009).

The spelling of 1133222320 in words is "one billion, one hundred thirty-three million, two hundred twenty-two thousand, three hundred twenty".