2220022021222 has 4 divisors (see below), whose sum is σ = 3330033031836. Its totient is φ = 1110011010610.

The previous prime is 2220022021193. The next prime is 2220022021249. The reversal of 2220022021222 is 2221202200222.

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

It is a super-2 number, since 2×2220022021222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2220022021222.

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, 555005505304 + ... + 555005505307.

It is an arithmetic number, because the mean of its divisors is an integer number (832508257959).

Almost surely, 2^{2220022021222} is an apocalyptic number.

2220022021222 is a deficient number, since it is larger than the sum of its proper divisors (1110011010614).

2220022021222 is a wasteful number, since it uses less digits than its factorization.

2220022021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110011010613.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 2220022021222 its reverse (2221202200222), we get a palindrome (4441224221444).

The spelling of 2220022021222 in words is "two trillion, two hundred twenty billion, twenty-two million, twenty-one thousand, two hundred twenty-two".