2222130221 has 8 divisors (see below), whose sum is σ = 2276201664. Its totient is φ = 2168167680.

The previous prime is 2222130217. The next prime is 2222130233. The reversal of 2222130221 is 1220312222.

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 2222130221 - 2² = 2222130217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222130221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222130271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14861 + ... + 68301.

It is an arithmetic number, because the mean of its divisors is an integer number (284525208).

Almost surely, 2^2222130221 is an apocalyptic number.

It is an amenable number.

2222130221 is a deficient number, since it is larger than the sum of its proper divisors (54071443).

2222130221 is an equidigital number, since it uses as much as digits as its factorization.

2222130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54451.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2222130221 is about 47139.4762486814. The cubic root of 2222130221 is about 1304.9378715107.

Adding to 2222130221 its reverse (1220312222), we get a palindrome (3442442443).

The spelling of 2222130221 in words is "two billion, two hundred twenty-two million, one hundred thirty thousand, two hundred twenty-one".