667225223 has 8 divisors (see below), whose sum is σ = 802677120. Its totient is φ = 541806840.

The previous prime is 667225201. The next prime is 667225241. The reversal of 667225223 is 322522766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 667225223 - 2¹² = 667221127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667225253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2508233 + ... + 2508498.

It is an arithmetic number, because the mean of its divisors is an integer number (100334640).

Almost surely, 2^667225223 is an apocalyptic number.

667225223 is a deficient number, since it is larger than the sum of its proper divisors (135451897).

667225223 is a wasteful number, since it uses less digits than its factorization.

667225223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016757.

The product of its digits is 60480, while the sum is 35.

The square root of 667225223 is about 25830.7031069617. The cubic root of 667225223 is about 873.8243685826.

Adding to 667225223 its reverse (322522766), we get a palindrome (989747989).

The spelling of 667225223 in words is "six hundred sixty-seven million, two hundred twenty-five thousand, two hundred twenty-three".