822100242 has 16 divisors (see below), whose sum is σ = 1646695872. Its totient is φ = 273617520.

The previous prime is 822100211. The next prime is 822100283. The reversal of 822100242 is 242001228.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99678 + ... + 107609.

It is an arithmetic number, because the mean of its divisors is an integer number (102918492).

Almost surely, 2^822100242 is an apocalyptic number.

822100242 is an abundant number, since it is smaller than the sum of its proper divisors (824595630).

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

822100242 is a wasteful number, since it uses less digits than its factorization.

822100242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207953.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 822100242 is about 28672.2904909950. The cubic root of 822100242 is about 936.7885891085.

The spelling of 822100242 in words is "eight hundred twenty-two million, one hundred thousand, two hundred forty-two".