667223339 has 4 divisors (see below), whose sum is σ = 668504520. Its totient is φ = 665942160.

The previous prime is 667223321. The next prime is 667223351. The reversal of 667223339 is 933322766.

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 667223339 - 2⁸ = 667223083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 667223296 and 667223305.

It is not an unprimeable number, because it can be changed into a prime (667253339) 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, 639809 + ... + 640850.

It is an arithmetic number, because the mean of its divisors is an integer number (167126130).

Almost surely, 2^667223339 is an apocalyptic number.

667223339 is a deficient number, since it is larger than the sum of its proper divisors (1281181).

667223339 is a wasteful number, since it uses less digits than its factorization.

667223339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281180.

The product of its digits is 244944, while the sum is 41.

The square root of 667223339 is about 25830.6666387068. Note that the first 4 decimals coincide. The cubic root of 667223339 is about 873.8235461283.

The spelling of 667223339 in words is "six hundred sixty-seven million, two hundred twenty-three thousand, three hundred thirty-nine".