667022 has 8 divisors (see below), whose sum is σ = 1004400. Its totient is φ = 332224.

The previous prime is 667021. The next prime is 667081. The reversal of 667022 is 220766.

It is a happy number.

667022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 667022.

It is not an unprimeable number, because it can be changed into a prime (667021) 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, 254 + ... + 1182.

It is an arithmetic number, because the mean of its divisors is an integer number (125550).

2⁶⁶⁷⁰²² is an apocalyptic number.

667022 is a deficient number, since it is larger than the sum of its proper divisors (337378).

667022 is a wasteful number, since it uses less digits than its factorization.

667022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 667022 is about 816.7141482796. The cubic root of 667022 is about 87.3735643299.

Adding to 667022 its reverse (220766), we get a palindrome (887788).

The spelling of 667022 in words is "six hundred sixty-seven thousand, twenty-two".