8147227418 has 48 divisors (see below), whose sum is σ = 13629109032. Its totient is φ = 3649536000.

The previous prime is 8147227411. The next prime is 8147227481.

8147227418 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 5583526729 + 2563700689 = 74723^2 + 50633^2 .

It is a super-2 number, since 2×8147227418² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8147227411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6280946 + ... + 6282242.

Almost surely, 2^8147227418 is an apocalyptic number.

8147227418 is a deficient number, since it is larger than the sum of its proper divisors (5481881614).

8147227418 is a wasteful number, since it uses less digits than its factorization.

8147227418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679 (or 1668 counting only the distinct ones).

The product of its digits is 200704, while the sum is 44.

The square root of 8147227418 is about 90261.9932086590. The cubic root of 8147227418 is about 2012.1944481036.

The spelling of 8147227418 in words is "eight billion, one hundred forty-seven million, two hundred twenty-seven thousand, four hundred eighteen".