2221020221222 has 8 divisors (see below), whose sum is σ = 3634396725672. Its totient is φ = 1009554646000.

The previous prime is 2221020221213. The next prime is 2221020221267. The reversal of 2221020221222 is 2221220201222.

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

It is a junction number, because it is equal to n+sod(n) for n = 2221020221194 and 2221020221203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50477732279 + ... + 50477732322.

It is an arithmetic number, because the mean of its divisors is an integer number (454299590709).

Almost surely, 2^{2221020221222} is an apocalyptic number.

2221020221222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221020221222 is a deficient number, since it is larger than the sum of its proper divisors (1413376504450).

2221020221222 is a wasteful number, since it uses less digits than its factorization.

2221020221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100955464614.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2221020221222 its reverse (2221220201222), we get a palindrome (4442240422444).

The spelling of 2221020221222 in words is "two trillion, two hundred twenty-one billion, twenty million, two hundred twenty-one thousand, two hundred twenty-two".