9021425280 has 192 divisors, whose sum is σ = 33450965280. Its totient is φ = 2062018560.

The previous prime is 9021425261. The next prime is 9021425297. The reversal of 9021425280 is 825241209.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×9021425280² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 46135 + ... + 142025.

Almost surely, 2^9021425280 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 9021425280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16725482640).

9021425280 is an abundant number, since it is smaller than the sum of its proper divisors (24429540000).

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

9021425280 is a wasteful number, since it uses less digits than its factorization.

9021425280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95927 (or 95908 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 9021425280 is about 94981.1838207968. The cubic root of 9021425280 is about 2081.7331215823.

Adding to 9021425280 its reverse (825241209), we get a palindrome (9846666489).

The spelling of 9021425280 in words is "nine billion, twenty-one million, four hundred twenty-five thousand, two hundred eighty".