2224101221 has 8 divisors (see below), whose sum is σ = 2342806080. Its totient is φ = 2105561088.

The previous prime is 2224101193. The next prime is 2224101223. The reversal of 2224101221 is 1221014222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2224101221 - 2²² = 2219906917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2224101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224101223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12956 + ... + 67941.

It is an arithmetic number, because the mean of its divisors is an integer number (292850760).

Almost surely, 2^2224101221 is an apocalyptic number.

It is an amenable number.

2224101221 is a deficient number, since it is larger than the sum of its proper divisors (118704859).

2224101221 is a wasteful number, since it uses less digits than its factorization.

2224101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82363.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2224101221 is about 47160.3776596414. The cubic root of 2224101221 is about 1305.3235783491.

Adding to 2224101221 its reverse (1221014222), we get a palindrome (3445115443).

The spelling of 2224101221 in words is "two billion, two hundred twenty-four million, one hundred one thousand, two hundred twenty-one".