9021540244 has 18 divisors (see below), whose sum is σ = 16225932030. Its totient is φ = 4388854752.

The previous prime is 9021540221. The next prime is 9021540287. The reversal of 9021540244 is 4420451209.

9021540244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 2974611600 + 6046928644 = 54540^2 + 77762^2 .

It is a super-2 number, since 2×9021540244² (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 (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 818259 + ... + 829210.

Almost surely, 2^9021540244 is an apocalyptic number.

It is an amenable number.

9021540244 is a deficient number, since it is larger than the sum of its proper divisors (7204391786).

9021540244 is a wasteful number, since it uses less digits than its factorization.

9021540244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647547 (or 1647508 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 9021540244 is about 94981.7890124207. The cubic root of 9021540244 is about 2081.7419643591.

The spelling of 9021540244 in words is "nine billion, twenty-one million, five hundred forty thousand, two hundred forty-four".