899542224 has 240 divisors, whose sum is σ = 2999093760. Its totient is φ = 246343680.

The previous prime is 899542177. The next prime is 899542247. The reversal of 899542224 is 422245998.

899542224 is a `hidden beast` number, since 89 + 9 + 542 + 2 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 899542224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3319209 + ... + 3319479.

It is an arithmetic number, because the mean of its divisors is an integer number (12496224).

Almost surely, 2^899542224 is an apocalyptic number.

899542224 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 899542224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1499546880).

899542224 is an abundant number, since it is smaller than the sum of its proper divisors (2099551536).

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

899542224 is a wasteful number, since it uses less digits than its factorization.

899542224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 409 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 899542224 is about 29992.3694295732. The cubic root of 899542224 is about 965.3256613369.

The spelling of 899542224 in words is "eight hundred ninety-nine million, five hundred forty-two thousand, two hundred twenty-four".