8817228272 has 10 divisors (see below), whose sum is σ = 17083379808. Its totient is φ = 4408614128.

The previous prime is 8817228269. The next prime is 8817228281. The reversal of 8817228272 is 2728227188.

It is a super-2 number, since 2×8817228272² (a number of 21 digits) contains 22 as substring.

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, 275538368 + ... + 275538399.

Almost surely, 2^8817228272 is an apocalyptic number.

It is an amenable number.

8817228272 is a deficient number, since it is larger than the sum of its proper divisors (8266151536).

8817228272 is a wasteful number, since it uses less digits than its factorization.

8817228272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551076775 (or 551076769 counting only the distinct ones).

The product of its digits is 401408, while the sum is 47.

The square root of 8817228272 is about 93900.0972949443. The cubic root of 8817228272 is about 2065.9066558644.

The spelling of 8817228272 in words is "eight billion, eight hundred seventeen million, two hundred twenty-eight thousand, two hundred seventy-two".