344332424401221 has 4 divisors (see below), whose sum is σ = 459109899201632. Its totient is φ = 229554949600812.

The previous prime is 344332424401193. The next prime is 344332424401249. The reversal of 344332424401221 is 122104424233443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (344332424401193) and next prime (344332424401249).

It is not a de Polignac number, because 344332424401221 - 2⁶ = 344332424401157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 344332424401221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344332424401271) 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, 57388737400201 + ... + 57388737400206.

It is an arithmetic number, because the mean of its divisors is an integer number (114777474800408).

Almost surely, 2^{344332424401221} is an apocalyptic number.

It is an amenable number.

344332424401221 is a deficient number, since it is larger than the sum of its proper divisors (114777474800411).

344332424401221 is a wasteful number, since it uses less digits than its factorization.

344332424401221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114777474800410.

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 344332424401221 its reverse (122104424233443), we get a palindrome (466436848634664).

The spelling of 344332424401221 in words is "three hundred forty-four trillion, three hundred thirty-two billion, four hundred twenty-four million, four hundred one thousand, two hundred twenty-one".