2331422440 has 32 divisors (see below), whose sum is σ = 5331701160. Its totient is φ = 917280000.

The previous prime is 2331422419. The next prime is 2331422453. The reversal of 2331422440 is 442241332.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1395919044 + 935503396 = 37362^2 + 30586^2 .

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, 475311 + ... + 480190.

Almost surely, 2^2331422440 is an apocalyptic number.

2331422440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331422440 is an abundant number, since it is smaller than the sum of its proper divisors (3000278720).

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

2331422440 is a wasteful number, since it uses less digits than its factorization.

2331422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955573 (or 955569 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2331422440 is about 48284.8054774999. The cubic root of 2331422440 is about 1325.9902297516.

Adding to 2331422440 its reverse (442241332), we get a palindrome (2773663772).

It can be divided in two parts, 23314 and 22440, that added together give a palindrome (45754).

The spelling of 2331422440 in words is "two billion, three hundred thirty-one million, four hundred twenty-two thousand, four hundred forty".