9040887221 has 8 divisors (see below), whose sum is σ = 9083340000. Its totient is φ = 8998486000.

The previous prime is 9040887217. The next prime is 9040887281. The reversal of 9040887221 is 1227880409.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9040887221 - 2² = 9040887217 is a prime.

It is a super-2 number, since 2×9040887221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9040887281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 364235 + ... + 388263.

It is an arithmetic number, because the mean of its divisors is an integer number (1135417500).

Almost surely, 2^9040887221 is an apocalyptic number.

It is an amenable number.

9040887221 is a deficient number, since it is larger than the sum of its proper divisors (42452779).

9040887221 is a wasteful number, since it uses less digits than its factorization.

9040887221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25779.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 9040887221 is about 95083.5801860658. The cubic root of 9040887221 is about 2083.2290222390.

The spelling of 9040887221 in words is "nine billion, forty million, eight hundred eighty-seven thousand, two hundred twenty-one".