676205221 has 8 divisors (see below), whose sum is σ = 711852480. Its totient is φ = 641078592.

The previous prime is 676205219. The next prime is 676205227. The reversal of 676205221 is 122502676.

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 676205221 - 2¹ = 676205219 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 (676205227) 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, 127491 + ... + 132688.

It is an arithmetic number, because the mean of its divisors is an integer number (88981560).

Almost surely, 2^676205221 is an apocalyptic number.

It is an amenable number.

676205221 is a deficient number, since it is larger than the sum of its proper divisors (35647259).

676205221 is a wasteful number, since it uses less digits than its factorization.

676205221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260315.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 676205221 is about 26003.9462582124. The cubic root of 676205221 is about 877.7270980900.

Adding to 676205221 its reverse (122502676), we get a palindrome (798707897).

The spelling of 676205221 in words is "six hundred seventy-six million, two hundred five thousand, two hundred twenty-one".