2212222021222 has 8 divisors (see below), whose sum is σ = 3321033062400. Its totient is φ = 1105211000424.

The previous prime is 2212222021187. The next prime is 2212222021237. The reversal of 2212222021222 is 2221202222122.

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 = 2212222021193 and 2212222021202.

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, 450002022 + ... + 450006937.

It is an arithmetic number, because the mean of its divisors is an integer number (415129132800).

Almost surely, 2^{2212222021222} is an apocalyptic number.

2212222021222 is a deficient number, since it is larger than the sum of its proper divisors (1108811041178).

2212222021222 is a wasteful number, since it uses less digits than its factorization.

2212222021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900010190.

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

Adding to 2212222021222 its reverse (2221202222122), we get a palindrome (4433424243344).

The spelling of 2212222021222 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, twenty-one thousand, two hundred twenty-two".