885643122 has 64 divisors (see below), whose sum is σ = 2255258880. Its totient is φ = 225517824.

The previous prime is 885643111. The next prime is 885643127. The reversal of 885643122 is 221346588.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (885643127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12133 + ... + 43800.

It is an arithmetic number, because the mean of its divisors is an integer number (35238420).

Almost surely, 2^885643122 is an apocalyptic number.

885643122 is an abundant number, since it is smaller than the sum of its proper divisors (1369615758).

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

885643122 is a wasteful number, since it uses less digits than its factorization.

885643122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55987.

The product of its digits is 92160, while the sum is 39.

The square root of 885643122 is about 29759.7567530382. The cubic root of 885643122 is about 960.3279847192.

The spelling of 885643122 in words is "eight hundred eighty-five million, six hundred forty-three thousand, one hundred twenty-two".