667110622 has 4 divisors (see below), whose sum is σ = 1000665936. Its totient is φ = 333555310.

The previous prime is 667110611. The next prime is 667110641. The reversal of 667110622 is 226011766.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 226011766 = 2 ⋅113005883.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166777654 + ... + 166777657.

It is an arithmetic number, because the mean of its divisors is an integer number (250166484).

Almost surely, 2^667110622 is an apocalyptic number.

667110622 is a deficient number, since it is larger than the sum of its proper divisors (333555314).

667110622 is a wasteful number, since it uses less digits than its factorization.

667110622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333555313.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 667110622 is about 25828.4847019720. The cubic root of 667110622 is about 873.7743370605.

The spelling of 667110622 in words is "six hundred sixty-seven million, one hundred ten thousand, six hundred twenty-two".