89223720 has 64 divisors (see below), whose sum is σ = 276912000. Its totient is φ = 22971648.

The previous prime is 89223713. The next prime is 89223721. The reversal of 89223720 is 2732298.

It is a super-3 number, since 3×89223720³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (89223721) 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 15 ways as a sum of consecutive naturals, for example, 9340 + ... + 16299.

It is an arithmetic number, because the mean of its divisors is an integer number (4326750).

Almost surely, 2^89223720 is an apocalyptic number.

It is an amenable number.

89223720 is an abundant number, since it is smaller than the sum of its proper divisors (187688280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89223720 is a wasteful number, since it uses less digits than its factorization.

89223720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25682 (or 25678 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 89223720 is about 9445.8308263487. The cubic root of 89223720 is about 446.8482986964.

The spelling of 89223720 in words is "eighty-nine million, two hundred twenty-three thousand, seven hundred twenty".