2222130224221 has 8 divisors (see below), whose sum is σ = 2242928604024. Its totient is φ = 2201423266560.

The previous prime is 2222130224219. The next prime is 2222130224243. The reversal of 2222130224221 is 1224220312222.

It can be written as a sum of positive squares in 4 ways, for example, as 1722826879225 + 499303344996 = 1312565^2 + 706614^2 .

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 2222130224221 - 2¹ = 2222130224219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222130224921) 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 7 ways as a sum of consecutive naturals, for example, 22806696 + ... + 22903921.

It is an arithmetic number, because the mean of its divisors is an integer number (280366075503).

Almost surely, 2^{2222130224221} is an apocalyptic number.

It is an amenable number.

2222130224221 is a deficient number, since it is larger than the sum of its proper divisors (20798379803).

2222130224221 is a wasteful number, since it uses less digits than its factorization.

2222130224221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45711071.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 2222130224221 its reverse (1224220312222), we get a palindrome (3446350536443).

The spelling of 2222130224221 in words is "two trillion, two hundred twenty-two billion, one hundred thirty million, two hundred twenty-four thousand, two hundred twenty-one".