667150226 has 8 divisors (see below), whose sum is σ = 1001136780. Its totient is φ = 333437968.

The previous prime is 667150223. The next prime is 667150271. The reversal of 667150226 is 622051766.

It can be written as a sum of positive squares in 2 ways, for example, as 612612001 + 54538225 = 24751^2 + 7385^2 .

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

It is not an unprimeable number, because it can be changed into a prime (667150223) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 62381 + ... + 72288.

Almost surely, 2^667150226 is an apocalyptic number.

667150226 is a deficient number, since it is larger than the sum of its proper divisors (333986554).

667150226 is a wasteful number, since it uses less digits than its factorization.

667150226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137148.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 667150226 is about 25829.2513635219. The cubic root of 667150226 is about 873.7916276832.

The spelling of 667150226 in words is "six hundred sixty-seven million, one hundred fifty thousand, two hundred twenty-six".