2212222100222 has 4 divisors (see below), whose sum is σ = 3318333150336. Its totient is φ = 1106111050110.

The previous prime is 2212222100219. The next prime is 2212222100267. The reversal of 2212222100222 is 2220012222122.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2212222100222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2212222100194 and 2212222100203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553055525054 + ... + 553055525057.

It is an arithmetic number, because the mean of its divisors is an integer number (829583287584).

Almost surely, 2^{2212222100222} is an apocalyptic number.

2212222100222 is a deficient number, since it is larger than the sum of its proper divisors (1106111050114).

2212222100222 is a wasteful number, since it uses less digits than its factorization.

2212222100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106111050113.

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

Adding to 2212222100222 its reverse (2220012222122), we get a palindrome (4432234322344).

The spelling of 2212222100222 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, one hundred thousand, two hundred twenty-two".