2322666440 has 16 divisors (see below), whose sum is σ = 5225999580. Its totient is φ = 929066560.

The previous prime is 2322666433. The next prime is 2322666443. The reversal of 2322666440 is 446662232.

It can be written as a sum of positive squares in 2 ways, for example, as 2305344196 + 17322244 = 48014^2 + 4162^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2322666440.

It is not an unprimeable number, because it can be changed into a prime (2322666443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29033291 + ... + 29033370.

Almost surely, 2^2322666440 is an apocalyptic number.

2322666440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2322666440 is an abundant number, since it is smaller than the sum of its proper divisors (2903333140).

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

2322666440 is a wasteful number, since it uses less digits than its factorization.

2322666440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58066672 (or 58066668 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The square root of 2322666440 is about 48194.0498402033. The cubic root of 2322666440 is about 1324.3281634993.

The spelling of 2322666440 in words is "two billion, three hundred twenty-two million, six hundred sixty-six thousand, four hundred forty".