8221361308 has 6 divisors (see below), whose sum is σ = 14387382296. Its totient is φ = 4110680652.

The previous prime is 8221361249. The next prime is 8221361329. The reversal of 8221361308 is 8031631228.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027670160 + ... + 1027670167.

Almost surely, 2^8221361308 is an apocalyptic number.

It is an amenable number.

8221361308 is a deficient number, since it is larger than the sum of its proper divisors (6166020988).

8221361308 is a wasteful number, since it uses less digits than its factorization.

8221361308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055340331 (or 2055340329 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 8221361308 is about 90671.7227585315. The cubic root of 8221361308 is about 2018.2792020843.

The spelling of 8221361308 in words is "eight billion, two hundred twenty-one million, three hundred sixty-one thousand, three hundred eight".