68784722222 has 32 divisors (see below), whose sum is σ = 109653626880. Its totient is φ = 32269285440.

The previous prime is 68784722207. The next prime is 68784722287. The reversal of 68784722222 is 22222748786.

It is a super-2 number, since 2×68784722222² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2820722 + ... + 2845002.

It is an arithmetic number, because the mean of its divisors is an integer number (3426675840).

Almost surely, 2^68784722222 is an apocalyptic number.

68784722222 is a deficient number, since it is larger than the sum of its proper divisors (40868904658).

68784722222 is a wasteful number, since it uses less digits than its factorization.

68784722222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25016.

The product of its digits is 2408448, while the sum is 50.

The spelling of 68784722222 in words is "sixty-eight billion, seven hundred eighty-four million, seven hundred twenty-two thousand, two hundred twenty-two".