2234303440 has 20 divisors (see below), whose sum is σ = 5194755684. Its totient is φ = 893721344.

The previous prime is 2234303431. The next prime is 2234303453. The reversal of 2234303440 is 443034322.

It can be written as a sum of positive squares in 2 ways, for example, as 1461685824 + 772617616 = 38232^2 + 27796^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2234303440² = 9984223723991667200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 13964317 + ... + 13964476.

Almost surely, 2^2234303440 is an apocalyptic number.

2234303440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2234303440 is an abundant number, since it is smaller than the sum of its proper divisors (2960452244).

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

2234303440 is a wasteful number, since it uses less digits than its factorization.

2234303440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27928806 (or 27928800 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 2234303440 is about 47268.4190554328. The cubic root of 2234303440 is about 1307.3164262306.

Adding to 2234303440 its reverse (443034322), we get a palindrome (2677337762).

The spelling of 2234303440 in words is "two billion, two hundred thirty-four million, three hundred three thousand, four hundred forty".