1322316738 has 30 divisors (see below), whose sum is σ = 2964006441. Its totient is φ = 440617968.

The previous prime is 1322316731. The next prime is 1322316803. The reversal of 1322316738 is 8376132231.

It can be written as a sum of positive squares in 2 ways, for example, as 1281138849 + 41177889 = 35793^2 + 6417^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25713.

It is not an unprimeable number, because it can be changed into a prime (1322316731) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 461406 + ... + 464262.

Almost surely, 2^1322316738 is an apocalyptic number.

1322316738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1322316738 is an abundant number, since it is smaller than the sum of its proper divisors (1641689703).

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

1322316738 is an frugal number, since it uses more digits than its factorization.

1322316738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5728 (or 2862 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 1322316738 is about 36363.6733292994. The cubic root of 1322316738 is about 1097.6026959939.

Adding to 1322316738 its reverse (8376132231), we get a palindrome (9698448969).

The spelling of 1322316738 in words is "one billion, three hundred twenty-two million, three hundred sixteen thousand, seven hundred thirty-eight".