344221133 has 4 divisors (see below), whose sum is σ = 345261408. Its totient is φ = 343180860.

The previous prime is 344221127. The next prime is 344221147. The reversal of 344221133 is 331122443.

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 a cyclic number.

It is not a de Polignac number, because 344221133 - 2¹⁶ = 344155597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344221099 and 344221108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344221183) by changing a digit.

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, 519641 + ... + 520302.

It is an arithmetic number, because the mean of its divisors is an integer number (86315352).

Almost surely, 2^344221133 is an apocalyptic number.

It is an amenable number.

344221133 is a deficient number, since it is larger than the sum of its proper divisors (1040275).

344221133 is a wasteful number, since it uses less digits than its factorization.

344221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040274.

The product of its digits is 1728, while the sum is 23.

The square root of 344221133 is about 18553.1973794276. The cubic root of 344221133 is about 700.8297188563.

Adding to 344221133 its reverse (331122443), we get a palindrome (675343576).

The spelling of 344221133 in words is "three hundred forty-four million, two hundred twenty-one thousand, one hundred thirty-three".