1322133340 has 48 divisors (see below), whose sum is σ = 3031428960. Its totient is φ = 480372480.

The previous prime is 1322133317. The next prime is 1322133347. The reversal of 1322133340 is 433312231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322133347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423706 + ... + 426814.

It is an arithmetic number, because the mean of its divisors is an integer number (63154770).

Almost surely, 2^1322133340 is an apocalyptic number.

1322133340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322133340 is an abundant number, since it is smaller than the sum of its proper divisors (1709295620).

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

1322133340 is a wasteful number, since it uses less digits than its factorization.

1322133340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062 (or 5060 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1322133340 is about 36361.1515219197. The cubic root of 1322133340 is about 1097.5519498450.

Adding to 1322133340 its reverse (433312231), we get a palindrome (1755445571).

The spelling of 1322133340 in words is "one billion, three hundred twenty-two million, one hundred thirty-three thousand, three hundred forty".