89722500 has 120 divisors (see below), whose sum is σ = 299154240. Its totient is φ = 20496000.

The previous prime is 89722499. The next prime is 89722511. The reversal of 89722500 is 522798.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 51646 + ... + 53354.

It is an arithmetic number, because the mean of its divisors is an integer number (2492952).

Almost surely, 2^89722500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89722500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149577120).

89722500 is an abundant number, since it is smaller than the sum of its proper divisors (209431740).

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

89722500 is a wasteful number, since it uses less digits than its factorization.

89722500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743 (or 1726 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 89722500 is about 9472.1961550635. The cubic root of 89722500 is about 447.6794116390.

The spelling of 89722500 in words is "eighty-nine million, seven hundred twenty-two thousand, five hundred".