9889242248 has 12 divisors (see below), whose sum is σ = 18542856615. Its totient is φ = 4944480488.

The previous prime is 9889242241. The next prime is 9889242257. The reversal of 9889242248 is 8422429889.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 4944621124 + 4944621124 = 70318^2 + 70318^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=70318.

It is a super-2 number, since 2×9889242248² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9889242193 and 9889242202.

It is not an unprimeable number, because it can be changed into a prime (9889242241) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 263693 + ... + 298851.

Almost surely, 2^9889242248 is an apocalyptic number.

It is an amenable number.

9889242248 is a deficient number, since it is larger than the sum of its proper divisors (8653614367).

9889242248 is an frugal number, since it uses more digits than its factorization.

9889242248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70324 (or 35161 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 56.

The square root of 9889242248 is about 99444.6692789513. The cubic root of 9889242248 is about 2146.4511309432.

The spelling of 9889242248 in words is "nine billion, eight hundred eighty-nine million, two hundred forty-two thousand, two hundred forty-eight".