2240232421 has 6 divisors (see below), whose sum is σ = 2605984710. Its totient is φ = 1920199176.

The previous prime is 2240232403. The next prime is 2240232427. The reversal of 2240232421 is 1242320422.

It can be written as a sum of positive squares in only one way, i.e., 1963376100 + 276856321 = 44310^2 + 16639^2 .

It is not a de Polignac number, because 2240232421 - 2¹¹ = 2240230373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2240232392 and 2240232401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240232427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22859466 + ... + 22859563.

It is an arithmetic number, because the mean of its divisors is an integer number (434330785).

Almost surely, 2^2240232421 is an apocalyptic number.

It is an amenable number.

2240232421 is a deficient number, since it is larger than the sum of its proper divisors (365752289).

2240232421 is an equidigital number, since it uses as much as digits as its factorization.

2240232421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45719043 (or 45719036 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2240232421 is about 47331.0935960706. The cubic root of 2240232421 is about 1308.4717763498.

Adding to 2240232421 its reverse (1242320422), we get a palindrome (3482552843).

The spelling of 2240232421 in words is "two billion, two hundred forty million, two hundred thirty-two thousand, four hundred twenty-one".