2221203223222 has 16 divisors (see below), whose sum is σ = 3434690857680. Its totient is φ = 1076821990272.

The previous prime is 2221203223207. The next prime is 2221203223229. The reversal of 2221203223222 is 2223223021222.

It is a super-2 number, since 2×2221203223222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221203223229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128921223 + ... + 128938450.

It is an arithmetic number, because the mean of its divisors is an integer number (214668178605).

Almost surely, 2^{2221203223222} is an apocalyptic number.

2221203223222 is a deficient number, since it is larger than the sum of its proper divisors (1213487634458).

2221203223222 is a wasteful number, since it uses less digits than its factorization.

2221203223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257859807.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2221203223222 its reverse (2223223021222), we get a palindrome (4444426244444).

The spelling of 2221203223222 in words is "two trillion, two hundred twenty-one billion, two hundred three million, two hundred twenty-three thousand, two hundred twenty-two".