8572226 has 16 divisors (see below), whose sum is σ = 14326200. Its totient is φ = 3819648.

The previous prime is 8572219. The next prime is 8572229. The reversal of 8572226 is 6222758.

It can be written as a sum of positive squares in 4 ways, for example, as 6325225 + 2247001 = 2515^2 + 1499^2 .

It is a d-powerful number, because it can be written as 8² + 5² + 7⁶ + 2⁷ + 2¹⁶ + 2²³ + 6³ .

It is a junction number, because it is equal to n+sod(n) for n = 8572192 and 8572201.

It is not an unprimeable number, because it can be changed into a prime (8572229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4931 + ... + 6438.

Almost surely, 2^8572226 is an apocalyptic number.

8572226 is a deficient number, since it is larger than the sum of its proper divisors (5753974).

8572226 is a wasteful number, since it uses less digits than its factorization.

8572226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11413.

The product of its digits is 13440, while the sum is 32.

The square root of 8572226 is about 2927.8364025334. The cubic root of 8572226 is about 204.6591679334.

The spelling of 8572226 in words is "eight million, five hundred seventy-two thousand, two hundred twenty-six".