2231424340 has 12 divisors (see below), whose sum is σ = 4685991156. Its totient is φ = 892569728.

The previous prime is 2231424329. The next prime is 2231424341. The reversal of 2231424340 is 434241322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 250462276 + 1980962064 = 15826^2 + 44508^2 .

It is a super-3 number, since 3×2231424340³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231424341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55785589 + ... + 55785628.

It is an arithmetic number, because the mean of its divisors is an integer number (390499263).

Almost surely, 2^2231424340 is an apocalyptic number.

2231424340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231424340 is an abundant number, since it is smaller than the sum of its proper divisors (2454566816).

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

2231424340 is a wasteful number, since it uses less digits than its factorization.

2231424340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111571226 (or 111571224 counting only the distinct ones).

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

The square root of 2231424340 is about 47237.9544434346. The cubic root of 2231424340 is about 1306.7546534474.

Adding to 2231424340 its reverse (434241322), we get a palindrome (2665665662).

The spelling of 2231424340 in words is "two billion, two hundred thirty-one million, four hundred twenty-four thousand, three hundred forty".