8028221272 has 8 divisors (see below), whose sum is σ = 15052914900. Its totient is φ = 4014110632.

The previous prime is 8028221263. The next prime is 8028221291. The reversal of 8028221272 is 2721228208.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501763822 + ... + 501763837.

Almost surely, 2^8028221272 is an apocalyptic number.

It is an amenable number.

8028221272 is a deficient number, since it is larger than the sum of its proper divisors (7024693628).

8028221272 is a wasteful number, since it uses less digits than its factorization.

8028221272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003527665 (or 1003527661 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 8028221272 is about 89600.3419189905. The cubic root of 8028221272 is about 2002.3490126563.

The spelling of 8028221272 in words is "eight billion, twenty-eight million, two hundred twenty-one thousand, two hundred seventy-two".