2222001221222 has 4 divisors (see below), whose sum is σ = 3333001831836. Its totient is φ = 1111000610610.

The previous prime is 2222001221207. The next prime is 2222001221249. The reversal of 2222001221222 is 2221221002222.

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

It is a super-2 number, since 2×2222001221222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2222001221194 and 2222001221203.

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, 555500305304 + ... + 555500305307.

It is an arithmetic number, because the mean of its divisors is an integer number (833250457959).

Almost surely, 2^{2222001221222} is an apocalyptic number.

2222001221222 is a deficient number, since it is larger than the sum of its proper divisors (1111000610614).

2222001221222 is a wasteful number, since it uses less digits than its factorization.

2222001221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111000610613.

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

Adding to 2222001221222 its reverse (2221221002222), we get a palindrome (4443222223444).

The spelling of 2222001221222 in words is "two trillion, two hundred twenty-two billion, one million, two hundred twenty-one thousand, two hundred twenty-two".