4221605045206 has 8 divisors (see below), whose sum is σ = 6374344042224. Its totient is φ = 2096823697800.

The previous prime is 4221605045171. The next prime is 4221605045239. The reversal of 4221605045206 is 6025405061224.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6989412025 + ... + 6989412628.

It is an arithmetic number, because the mean of its divisors is an integer number (796793005278).

Almost surely, 2^{4221605045206} is an apocalyptic number.

4221605045206 is a deficient number, since it is larger than the sum of its proper divisors (2152738997018).

4221605045206 is a wasteful number, since it uses less digits than its factorization.

4221605045206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13978824806.

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 4221605045206 in words is "four trillion, two hundred twenty-one billion, six hundred five million, forty-five thousand, two hundred six".