487216221 has 8 divisors (see below), whose sum is σ = 683812320. Its totient is φ = 307715472.

The previous prime is 487216207. The next prime is 487216307. The reversal of 487216221 is 122612784.

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

It is not a de Polignac number, because 487216221 - 2¹⁷ = 487085149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487216201) 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, 4273770 + ... + 4273883.

It is an arithmetic number, because the mean of its divisors is an integer number (85476540).

Almost surely, 2^487216221 is an apocalyptic number.

It is an amenable number.

487216221 is a deficient number, since it is larger than the sum of its proper divisors (196596099).

487216221 is a wasteful number, since it uses less digits than its factorization.

487216221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8547675.

The product of its digits is 10752, while the sum is 33.

The square root of 487216221 is about 22072.9749014491. The cubic root of 487216221 is about 786.8777157057.

The spelling of 487216221 in words is "four hundred eighty-seven million, two hundred sixteen thousand, two hundred twenty-one".