2212221424 has 60 divisors (see below), whose sum is σ = 5279287104. Its totient is φ = 892319232.

The previous prime is 2212221421. The next prime is 2212221449. The reversal of 2212221424 is 4241222122.

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 = 2212221395 and 2212221404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212221421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69664 + ... + 96319.

Almost surely, 2^2212221424 is an apocalyptic number.

It is an amenable number.

2212221424 is an abundant number, since it is smaller than the sum of its proper divisors (3067065680).

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

2212221424 is a wasteful number, since it uses less digits than its factorization.

2212221424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166022 (or 166009 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 2212221424 is about 47034.2579828788. The cubic root of 2212221424 is about 1302.9953463386.

Adding to 2212221424 its reverse (4241222122), we get a palindrome (6453443546).

The spelling of 2212221424 in words is "two billion, two hundred twelve million, two hundred twenty-one thousand, four hundred twenty-four".