2143345224 has 64 divisors (see below), whose sum is σ = 5565672000. Its totient is φ = 687008000.

The previous prime is 2143345223. The next prime is 2143345249. The reversal of 2143345224 is 4225433412.

It is a super-2 number, since 2×2143345224² = 9187857498487220352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2143345191 and 2143345200.

It is not an unprimeable number, because it can be changed into a prime (2143345223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168562 + ... + 180830.

It is an arithmetic number, because the mean of its divisors is an integer number (86963625).

Almost surely, 2^2143345224 is an apocalyptic number.

2143345224 is a gapful number since it is divisible by the number (24) 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 2143345224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2782836000).

2143345224 is an abundant number, since it is smaller than the sum of its proper divisors (3422326776).

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

2143345224 is a wasteful number, since it uses less digits than its factorization.

2143345224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12558 (or 12554 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 2143345224 is about 46296.2765673439. The cubic root of 2143345224 is about 1289.3298652643.

Adding to 2143345224 its reverse (4225433412), we get a palindrome (6368778636).

The spelling of 2143345224 in words is "two billion, one hundred forty-three million, three hundred forty-five thousand, two hundred twenty-four".