8540226 has 24 divisors (see below), whose sum is σ = 18559164. Its totient is φ = 2838240.

The previous prime is 8540219. The next prime is 8540227. The reversal of 8540226 is 6220458.

It can be written as a sum of positive squares in 2 ways, for example, as 8381025 + 159201 = 2895^2 + 399^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8540226.

It is not an unprimeable number, because it can be changed into a prime (8540227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9300 + ... + 10176.

Almost surely, 2^8540226 is an apocalyptic number.

8540226 is an abundant number, since it is smaller than the sum of its proper divisors (10018938).

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

8540226 is a wasteful number, since it uses less digits than its factorization.

8540226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 8540226 is about 2922.3665067886. The cubic root of 8540226 is about 204.4041871173.

The spelling of 8540226 in words is "eight million, five hundred forty thousand, two hundred twenty-six".