8485221492 has 108 divisors (see below), whose sum is σ = 24856331136. Its totient is φ = 2419994880.

The previous prime is 8485221487. The next prime is 8485221517. The reversal of 8485221492 is 2941225848.

8485221492 is a `hidden beast` number, since 8 + 485 + 22 + 149 + 2 = 666.

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 35 ways as a sum of consecutive naturals, for example, 77373 + ... + 151515.

Almost surely, 2^8485221492 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 8485221492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12428165568).

8485221492 is an abundant number, since it is smaller than the sum of its proper divisors (16371109644).

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

8485221492 is a wasteful number, since it uses less digits than its factorization.

8485221492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74198 (or 74176 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 8485221492 is about 92115.2619927881. The cubic root of 8485221492 is about 2039.6441045813.

The spelling of 8485221492 in words is "eight billion, four hundred eighty-five million, two hundred twenty-one thousand, four hundred ninety-two".