2212210022222 has 16 divisors (see below), whose sum is σ = 3334146595920. Its totient is φ = 1100838042432.

The previous prime is 2212210022173. The next prime is 2212210022263. The reversal of 2212210022222 is 2222200122122.

It is a junction number, because it is equal to n+sod(n) for n = 2212210022194 and 2212210022203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2121143 + ... + 2987250.

It is an arithmetic number, because the mean of its divisors is an integer number (208384162245).

Almost surely, 2^{2212210022222} is an apocalyptic number.

2212210022222 is a deficient number, since it is larger than the sum of its proper divisors (1121936573698).

2212210022222 is a wasteful number, since it uses less digits than its factorization.

2212210022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109427.

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

Adding to 2212210022222 its reverse (2222200122122), we get a palindrome (4434410144344).

The spelling of 2212210022222 in words is "two trillion, two hundred twelve billion, two hundred ten million, twenty-two thousand, two hundred twenty-two".