666224035 has 8 divisors (see below), whose sum is σ = 821076336. Its totient is φ = 518574240.

The previous prime is 666224021. The next prime is 666224059. The reversal of 666224035 is 530422666.

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

It is not a de Polignac number, because 666224035 - 2⁷ = 666223907 is a prime.

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 1800421 + ... + 1800790.

It is an arithmetic number, because the mean of its divisors is an integer number (102634542).

Almost surely, 2^666224035 is an apocalyptic number.

666224035 is a deficient number, since it is larger than the sum of its proper divisors (154852301).

666224035 is a wasteful number, since it uses less digits than its factorization.

666224035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601253.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 666224035 is about 25811.3160261154. The cubic root of 666224035 is about 873.3870847434.

The spelling of 666224035 in words is "six hundred sixty-six million, two hundred twenty-four thousand, thirty-five".