340224223 has 4 divisors (see below), whose sum is σ = 340373880. Its totient is φ = 340074568.

The previous prime is 340224217. The next prime is 340224271. The reversal of 340224223 is 322422043.

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

It is a cyclic number.

It is not a de Polignac number, because 340224223 - 2⁹ = 340223711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340224194 and 340224203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340224523) 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, 71365 + ... + 75982.

It is an arithmetic number, because the mean of its divisors is an integer number (85093470).

Almost surely, 2^340224223 is an apocalyptic number.

340224223 is a deficient number, since it is larger than the sum of its proper divisors (149657).

340224223 is a wasteful number, since it uses less digits than its factorization.

340224223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149656.

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

The square root of 340224223 is about 18445.1680122465. The cubic root of 340224223 is about 698.1065995652.

Adding to 340224223 its reverse (322422043), we get a palindrome (662646266).

The spelling of 340224223 in words is "three hundred forty million, two hundred twenty-four thousand, two hundred twenty-three".