2221343124 has 192 divisors, whose sum is σ = 7326197760. Its totient is φ = 504506880.

The previous prime is 2221343123. The next prime is 2221343177. The reversal of 2221343124 is 4213431222.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2221343094 and 2221343103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221343123) 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 63 ways as a sum of consecutive naturals, for example, 223362 + ... + 233094.

It is an arithmetic number, because the mean of its divisors is an integer number (38157280).

Almost surely, 2^2221343124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221343124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3663098880).

2221343124 is an abundant number, since it is smaller than the sum of its proper divisors (5104854636).

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

2221343124 is a wasteful number, since it uses less digits than its factorization.

2221343124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9790 (or 9788 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 2221343124 is about 47131.1269120525. The cubic root of 2221343124 is about 1304.7837800345.

Adding to 2221343124 its reverse (4213431222), we get a palindrome (6434774346).

The spelling of 2221343124 in words is "two billion, two hundred twenty-one million, three hundred forty-three thousand, one hundred twenty-four".