4650666221 has 8 divisors (see below), whose sum is σ = 4802623488. Its totient is φ = 4498830000.

The previous prime is 4650666199. The next prime is 4650666227. The reversal of 4650666221 is 1226660564.

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

It is a cyclic number.

It is not a de Polignac number, because 4650666221 - 2²² = 4646471917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4650666227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51371 + ... + 109271.

It is an arithmetic number, because the mean of its divisors is an integer number (600327936).

Almost surely, 2^4650666221 is an apocalyptic number.

It is an amenable number.

4650666221 is a deficient number, since it is larger than the sum of its proper divisors (151957267).

4650666221 is a wasteful number, since it uses less digits than its factorization.

4650666221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60523.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 4650666221 is about 68195.7932793512. The cubic root of 4650666221 is about 1669.1872437242.

The spelling of 4650666221 in words is "four billion, six hundred fifty million, six hundred sixty-six thousand, two hundred twenty-one".