2322531240 has 32 divisors (see below), whose sum is σ = 6967594080. Its totient is φ = 619341632.

The previous prime is 2322531221. The next prime is 2322531247. The reversal of 2322531240 is 421352232.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2322531240.

It is not an unprimeable number, because it can be changed into a prime (2322531247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9677094 + ... + 9677333.

It is an arithmetic number, because the mean of its divisors is an integer number (217737315).

Almost surely, 2^2322531240 is an apocalyptic number.

2322531240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2322531240 is an abundant number, since it is smaller than the sum of its proper divisors (4645062840).

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

2322531240 is a wasteful number, since it uses less digits than its factorization.

2322531240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19354441 (or 19354437 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2322531240 is about 48192.6471570093. The cubic root of 2322531240 is about 1324.3024670786.

Adding to 2322531240 its reverse (421352232), we get a palindrome (2743883472).

The spelling of 2322531240 in words is "two billion, three hundred twenty-two million, five hundred thirty-one thousand, two hundred forty".