899221600 has 36 divisors (see below), whose sum is σ = 2195226684. Its totient is φ = 359688320.

The previous prime is 899221577. The next prime is 899221601. The reversal of 899221600 is 6122998.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 899221600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (899221601) 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 5 ways as a sum of consecutive naturals, for example, 561214 + ... + 562813.

It is an arithmetic number, because the mean of its divisors is an integer number (60978519).

Almost surely, 2^899221600 is an apocalyptic number.

899221600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

899221600 is an abundant number, since it is smaller than the sum of its proper divisors (1296005084).

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

899221600 is a wasteful number, since it uses less digits than its factorization.

899221600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124047 (or 1124034 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 899221600 is about 29987.0238603300. The cubic root of 899221600 is about 965.2109573069.

The spelling of 899221600 in words is "eight hundred ninety-nine million, two hundred twenty-one thousand, six hundred".