7220222012 has 12 divisors (see below), whose sum is σ = 12873792456. Its totient is φ = 3541995600.

The previous prime is 7220222011. The next prime is 7220222033. The reversal of 7220222012 is 2102220227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220222011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17028614 + ... + 17029037.

It is an arithmetic number, because the mean of its divisors is an integer number (1072816038).

Almost surely, 2^7220222012 is an apocalyptic number.

It is an amenable number.

7220222012 is a deficient number, since it is larger than the sum of its proper divisors (5653570444).

7220222012 is a wasteful number, since it uses less digits than its factorization.

7220222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34057708 (or 34057706 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 7220222012 is about 84971.8895400120. The cubic root of 7220222012 is about 1932.7848699342.

Adding to 7220222012 its reverse (2102220227), we get a palindrome (9322442239).

The spelling of 7220222012 in words is "seven billion, two hundred twenty million, two hundred twenty-two thousand, twelve".