899221802424 has 48 divisors (see below), whose sum is σ = 2471002068360. Its totient is φ = 272491454400.

The previous prime is 899221802399. The next prime is 899221802471. The reversal of 899221802424 is 424208122998.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154821787 + ... + 154827594.

Almost surely, 2^899221802424 is an apocalyptic number.

It is an amenable number.

899221802424 is an abundant number, since it is smaller than the sum of its proper divisors (1571780265936).

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

899221802424 is a wasteful number, since it uses less digits than its factorization.

899221802424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309649412 (or 309649397 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 899221802424 in words is "eight hundred ninety-nine billion, two hundred twenty-one million, eight hundred two thousand, four hundred twenty-four".