216345226722 has 16 divisors (see below), whose sum is σ = 432704075232. Its totient is φ = 72112805280.

The previous prime is 216345226717. The next prime is 216345226763. The reversal of 216345226722 is 227622543612.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354979 + ... + 747462.

It is an arithmetic number, because the mean of its divisors is an integer number (27044004702).

Almost surely, 2^216345226722 is an apocalyptic number.

216345226722 is an abundant number, since it is smaller than the sum of its proper divisors (216358848510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216345226722 is a wasteful number, since it uses less digits than its factorization.

216345226722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135153.

The product of its digits is 483840, while the sum is 42.

The spelling of 216345226722 in words is "two hundred sixteen billion, three hundred forty-five million, two hundred twenty-six thousand, seven hundred twenty-two".