9001224432 has 120 divisors (see below), whose sum is σ = 26996989344. Its totient is φ = 2792351232.

The previous prime is 9001224361. The next prime is 9001224457. The reversal of 9001224432 is 2344221009.

9001224432 is a `hidden beast` number, since 9 + 0 + 0 + 1 + 224 + 432 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 9001224396 and 9001224405.

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 23 ways as a sum of consecutive naturals, for example, 85818 + ... + 159270.

Almost surely, 2^9001224432 is an apocalyptic number.

9001224432 is a gapful number since it is divisible by the number (92) 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 9001224432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13498494672).

9001224432 is an abundant number, since it is smaller than the sum of its proper divisors (17995764912).

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

9001224432 is a wasteful number, since it uses less digits than its factorization.

9001224432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73527 (or 73518 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 9001224432 is about 94874.7829088425. The cubic root of 9001224432 is about 2080.1781491891.

The spelling of 9001224432 in words is "nine billion, one million, two hundred twenty-four thousand, four hundred thirty-two".