2322443540 has 24 divisors (see below), whose sum is σ = 5045309640. Its totient is φ = 896943488.

The previous prime is 2322443533. The next prime is 2322443551. The reversal of 2322443540 is 453442232.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 267453316 + 2054990224 = 16354^2 + 45332^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2001527 + ... + 2002686.

It is an arithmetic number, because the mean of its divisors is an integer number (210221235).

Almost surely, 2^2322443540 is an apocalyptic number.

2322443540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2322443540 is an abundant number, since it is smaller than the sum of its proper divisors (2722866100).

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

2322443540 is a wasteful number, since it uses less digits than its factorization.

2322443540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4004251 (or 4004249 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 2322443540 is about 48191.7372585799. The cubic root of 2322443540 is about 1324.2857980831.

Adding to 2322443540 its reverse (453442232), we get a palindrome (2775885772).

The spelling of 2322443540 in words is "two billion, three hundred twenty-two million, four hundred forty-three thousand, five hundred forty".