1022856042 has 32 divisors (see below), whose sum is σ = 2279047680. Its totient is φ = 303871680.

The previous prime is 1022856041. The next prime is 1022856047. The reversal of 1022856042 is 2406582201.

It is not an unprimeable number, because it can be changed into a prime (1022856041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223834 + ... + 228357.

It is an arithmetic number, because the mean of its divisors is an integer number (71220240).

Almost surely, 2^1022856042 is an apocalyptic number.

1022856042 is an abundant number, since it is smaller than the sum of its proper divisors (1256191638).

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

1022856042 is a wasteful number, since it uses less digits than its factorization.

1022856042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452238.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 1022856042 is about 31982.1206613945. The cubic root of 1022856042 is about 1007.5613623610.

The spelling of 1022856042 in words is "one billion, twenty-two million, eight hundred fifty-six thousand, forty-two".