2221441424 has 30 divisors (see below), whose sum is σ = 4355890290. Its totient is φ = 1097361408.

The previous prime is 2221441367. The next prime is 2221441429. The reversal of 2221441424 is 4241441222.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 40551424 + 2180890000 = 6368^2 + 46700^2 .

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 = 2221441393 and 2221441402.

It is not an unprimeable number, because it can be changed into a prime (2221441429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1777952 + ... + 1779200.

It is an arithmetic number, because the mean of its divisors is an integer number (145196343).

Almost surely, 2^2221441424 is an apocalyptic number.

It is an amenable number.

2221441424 is a deficient number, since it is larger than the sum of its proper divisors (2134448866).

2221441424 is an frugal number, since it uses more digits than its factorization.

2221441424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595 (or 1340 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 2221441424 is about 47132.1697357548. The cubic root of 2221441424 is about 1304.8030264013.

Adding to 2221441424 its reverse (4241441222), we get a palindrome (6462882646).

The spelling of 2221441424 in words is "two billion, two hundred twenty-one million, four hundred forty-one thousand, four hundred twenty-four".