822091911242 has 16 divisors (see below), whose sum is σ = 1430334755520. Its totient is φ = 347066520768.

The previous prime is 822091911229. The next prime is 822091911281. The reversal of 822091911242 is 242119190228.

It is a super-3 number, since 3×822091911242³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 822091911242.

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, 438214367 + ... + 438216242.

It is an arithmetic number, because the mean of its divisors is an integer number (89395922220).

Almost surely, 2^822091911242 is an apocalyptic number.

822091911242 is a deficient number, since it is larger than the sum of its proper divisors (608242844278).

822091911242 is a wasteful number, since it uses less digits than its factorization.

822091911242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876430685.

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 822091911242 in words is "eight hundred twenty-two billion, ninety-one million, nine hundred eleven thousand, two hundred forty-two".