7222201222 has 16 divisors (see below), whose sum is σ = 11481866640. Its totient is φ = 3395331328.

The previous prime is 7222201211. The next prime is 7222201241. The reversal of 7222201222 is 2221022227.

It is a junction number, because it is equal to n+sod(n) for n = 7222201193 and 7222201202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69583 + ... + 138874.

It is an arithmetic number, because the mean of its divisors is an integer number (717616665).

Almost surely, 2^7222201222 is an apocalyptic number.

7222201222 is a deficient number, since it is larger than the sum of its proper divisors (4259665418).

7222201222 is a wasteful number, since it uses less digits than its factorization.

7222201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209495.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 7222201222 is about 84983.5350053174. The cubic root of 7222201222 is about 1932.9614590405.

Adding to 7222201222 its reverse (2221022227), we get a palindrome (9443223449).

The spelling of 7222201222 in words is "seven billion, two hundred twenty-two million, two hundred one thousand, two hundred twenty-two".