344220223 has 4 divisors (see below), whose sum is σ = 345445488. Its totient is φ = 342994960.

The previous prime is 344220211. The next prime is 344220229. The reversal of 344220223 is 322022443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 322022443 = 97 ⋅3319819.

It is a cyclic number.

It is not a de Polignac number, because 344220223 - 2²¹ = 342123071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344220194 and 344220203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344220229) 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, 612211 + ... + 612772.

It is an arithmetic number, because the mean of its divisors is an integer number (86361372).

Almost surely, 2^344220223 is an apocalyptic number.

344220223 is a deficient number, since it is larger than the sum of its proper divisors (1225265).

344220223 is a wasteful number, since it uses less digits than its factorization.

344220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225264.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 344220223 is about 18553.1728553366. The cubic root of 344220223 is about 700.8291012730.

Adding to 344220223 its reverse (322022443), we get a palindrome (666242666).

It can be divided in two parts, 344220 and 223, that added together give a palindrome (344443).

The spelling of 344220223 in words is "three hundred forty-four million, two hundred twenty thousand, two hundred twenty-three".