822216626 has 32 divisors (see below), whose sum is σ = 1538998272. Its totient is φ = 320063760.

The previous prime is 822216617. The next prime is 822216641. The reversal of 822216626 is 626612228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304655 + ... + 307341.

It is an arithmetic number, because the mean of its divisors is an integer number (48093696).

Almost surely, 2^822216626 is an apocalyptic number.

822216626 is a deficient number, since it is larger than the sum of its proper divisors (716781646).

822216626 is a wasteful number, since it uses less digits than its factorization.

822216626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694.

The product of its digits is 27648, while the sum is 35.

The square root of 822216626 is about 28674.3199744998. The cubic root of 822216626 is about 936.8327937983.

The spelling of 822216626 in words is "eight hundred twenty-two million, two hundred sixteen thousand, six hundred twenty-six".