2344403402221 has 4 divisors (see below), whose sum is σ = 2388637428732. Its totient is φ = 2300169375712.

The previous prime is 2344403402203. The next prime is 2344403402239. The reversal of 2344403402221 is 1222043044432.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2344403402203) and next prime (2344403402239).

It can be written as a sum of positive squares in 2 ways, for example, as 1131510875625 + 1212892526596 = 1063725^2 + 1101314^2 .

It is a cyclic number.

It is not a de Polignac number, because 2344403402221 - 2¹¹ = 2344403400173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2344403402521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22117013176 + ... + 22117013281.

It is an arithmetic number, because the mean of its divisors is an integer number (597159357183).

Almost surely, 2^{2344403402221} is an apocalyptic number.

It is an amenable number.

2344403402221 is a deficient number, since it is larger than the sum of its proper divisors (44234026511).

2344403402221 is an equidigital number, since it uses as much as digits as its factorization.

2344403402221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44234026510.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 2344403402221 its reverse (1222043044432), we get a palindrome (3566446446653).

The spelling of 2344403402221 in words is "two trillion, three hundred forty-four billion, four hundred three million, four hundred two thousand, two hundred twenty-one".