89228181900 has 288 divisors, whose sum is σ = 319267065600. Its totient is φ = 18916070400.

The previous prime is 89228181839. The next prime is 89228181901. The reversal of 89228181900 is 918182298.

It is a super-2 number, since 2×89228181900² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89228181900.

It is not an unprimeable number, because it can be changed into a prime (89228181901) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 760366 + ... + 869834.

It is an arithmetic number, because the mean of its divisors is an integer number (1108566200).

Almost surely, 2^89228181900 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 89228181900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159633532800).

89228181900 is an abundant number, since it is smaller than the sum of its proper divisors (230038883700).

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

89228181900 is a wasteful number, since it uses less digits than its factorization.

89228181900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109529 (or 109522 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 48.

The spelling of 89228181900 in words is "eighty-nine billion, two hundred twenty-eight million, one hundred eighty-one thousand, nine hundred".