8228905472 has 90 divisors (see below), whose sum is σ = 17435268279. Its totient is φ = 3879429120.

The previous prime is 8228905457. The next prime is 8228905511. The reversal of 8228905472 is 2745098228.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 4114452736 + 4114452736 = 64144^2 + 64144^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=64144.

It is a super-2 number, since 2×8228905472² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 38999447 + ... + 38999657.

Almost surely, 2^8228905472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8228905472

8228905472 is an abundant number, since it is smaller than the sum of its proper divisors (9206362807).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8228905472 is an frugal number, since it uses more digits than its factorization.

8228905472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 8228905472 is about 90713.3147448598. The cubic root of 8228905472 is about 2018.8963575550.

The spelling of 8228905472 in words is "eight billion, two hundred twenty-eight million, nine hundred five thousand, four hundred seventy-two".