344044003211221 has 12 divisors (see below), whose sum is σ = 360061037825580. Its totient is φ = 328712031443840.

The previous prime is 344044003211203. The next prime is 344044003211257. The reversal of 344044003211221 is 122112300440443.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 243231660124996 + 100812343086225 = 15595886^2 + 10040535^2 .

It is not a de Polignac number, because 344044003211221 - 2⁵ = 344044003211189 is a prime.

It is a super-2 number, since 2×344044003211221² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344044003211621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368641066 + ... + 369573163.

It is an arithmetic number, because the mean of its divisors is an integer number (30005086485465).

Almost surely, 2^{344044003211221} is an apocalyptic number.

It is an amenable number.

344044003211221 is a deficient number, since it is larger than the sum of its proper divisors (16017034614359).

344044003211221 is an equidigital number, since it uses as much as digits as its factorization.

344044003211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738215156 (or 738215133 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 344044003211221 its reverse (122112300440443), we get a palindrome (466156303651664).

The spelling of 344044003211221 in words is "three hundred forty-four trillion, forty-four billion, three million, two hundred eleven thousand, two hundred twenty-one".