8225569 has 8 divisors (see below), whose sum is σ = 9501408. Its totient is φ = 7037760.

The previous prime is 8225551. The next prime is 8225573. The reversal of 8225569 is 9655228.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8225569 - 2²¹ = 6128417 is a prime.

It is a super-2 number, since 2×8225569² = 135319970747522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8225519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21807 + ... + 22180.

It is an arithmetic number, because the mean of its divisors is an integer number (1187676).

Almost surely, 2^8225569 is an apocalyptic number.

It is an amenable number.

8225569 is a deficient number, since it is larger than the sum of its proper divisors (1275839).

8225569 is a wasteful number, since it uses less digits than its factorization.

8225569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44015.

The product of its digits is 43200, while the sum is 37.

The square root of 8225569 is about 2868.0252788286. The cubic root of 8225569 is about 201.8623461733.

It can be divided in two parts, 82 and 25569, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 8225569 in words is "eight million, two hundred twenty-five thousand, five hundred sixty-nine".