8422557120 has 224 divisors, whose sum is σ = 31277356800. Its totient is φ = 2127762432.

The previous prime is 8422557107. The next prime is 8422557137. The reversal of 8422557120 is 217552248.

It is a happy number.

8422557120 is a `hidden beast` number, since 8 + 42 + 25 + 571 + 20 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138507 + ... + 189813.

Almost surely, 2^8422557120 is an apocalyptic number.

8422557120 is a gapful number since it is divisible by the number (80) 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 8422557120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15638678400).

8422557120 is an abundant number, since it is smaller than the sum of its proper divisors (22854799680).

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

8422557120 is a wasteful number, since it uses less digits than its factorization.

8422557120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51352 (or 51336 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 36.

The square root of 8422557120 is about 91774.4905733614. The cubic root of 8422557120 is about 2034.6106884448.

The spelling of 8422557120 in words is "eight billion, four hundred twenty-two million, five hundred fifty-seven thousand, one hundred twenty".