89821223 has 8 divisors (see below), whose sum is σ = 90884400. Its totient is φ = 88764480.

The previous prime is 89821211. The next prime is 89821241. The reversal of 89821223 is 32212898.

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 89821223 - 2¹² = 89817127 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 (89826223) 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, 30011 + ... + 32867.

It is an arithmetic number, because the mean of its divisors is an integer number (11360550).

Almost surely, 2^89821223 is an apocalyptic number.

89821223 is a deficient number, since it is larger than the sum of its proper divisors (1063177).

89821223 is a wasteful number, since it uses less digits than its factorization.

89821223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217.

The product of its digits is 13824, while the sum is 35.

The square root of 89821223 is about 9477.4059214534. The cubic root of 89821223 is about 447.8435475563.

The spelling of 89821223 in words is "eighty-nine million, eight hundred twenty-one thousand, two hundred twenty-three".