89225609 has 4 divisors (see below), whose sum is σ = 97337040. Its totient is φ = 81114180.

The previous prime is 89225597. The next prime is 89225621. The reversal of 89225609 is 90652298.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (89225597) and next prime (89225621).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89225609 is a prime.

It is a super-2 number, since 2×89225609² = 15922418602841762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89225699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4055699 + ... + 4055720.

It is an arithmetic number, because the mean of its divisors is an integer number (24334260).

Almost surely, 2^89225609 is an apocalyptic number.

It is an amenable number.

89225609 is a deficient number, since it is larger than the sum of its proper divisors (8111431).

89225609 is a wasteful number, since it uses less digits than its factorization.

89225609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111430.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 89225609 is about 9445.9308170238. The cubic root of 89225609 is about 446.8514521571.

The spelling of 89225609 in words is "eighty-nine million, two hundred twenty-five thousand, six hundred nine".