89221511 has 18 divisors (see below), whose sum is σ = 97136712. Its totient is φ = 81922680.

The previous prime is 89221499. The next prime is 89221543. The reversal of 89221511 is 11512298.

It is not a de Polignac number, because 89221511 - 2²² = 85027207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89221571) 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 17 ways as a sum of consecutive naturals, for example, 1256606 + ... + 1256676.

It is an arithmetic number, because the mean of its divisors is an integer number (5396484).

Almost surely, 2^89221511 is an apocalyptic number.

89221511 is a deficient number, since it is larger than the sum of its proper divisors (7915201).

89221511 is an equidigital number, since it uses as much as digits as its factorization.

89221511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 149 counting only the distinct ones).

The product of its digits is 1440, while the sum is 29.

The square root of 89221511 is about 9445.7138957307. The cubic root of 89221511 is about 446.8446109773.

The spelling of 89221511 in words is "eighty-nine million, two hundred twenty-one thousand, five hundred eleven".