2217169248 has 144 divisors (see below), whose sum is σ = 7004173680. Its totient is φ = 611595264.

The previous prime is 2217169247. The next prime is 2217169313. The reversal of 2217169248 is 8429617122.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217169243) by changing a digit.

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, 128290 + ... + 144542.

It is an arithmetic number, because the mean of its divisors is an integer number (48640095).

Almost surely, 2^2217169248 is an apocalyptic number.

2217169248 is a gapful number since it is divisible by the number (28) 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 2217169248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3502086840).

2217169248 is an abundant number, since it is smaller than the sum of its proper divisors (4787004432).

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

2217169248 is a wasteful number, since it uses less digits than its factorization.

2217169248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16309 (or 16294 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 2217169248 is about 47086.8266928235. The cubic root of 2217169248 is about 1303.9660435033.

It can be divided in two parts, 22171 and 69248, that added together give a palindrome (91419).

The spelling of 2217169248 in words is "two billion, two hundred seventeen million, one hundred sixty-nine thousand, two hundred forty-eight".