885220842 has 64 divisors (see below), whose sum is σ = 1987835904. Its totient is φ = 260499840.

The previous prime is 885220807. The next prime is 885220883. The reversal of 885220842 is 248022588.

It is a super-2 number, since 2×885220842² = 1567231878222377928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 885220842.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 423933 + ... + 426015.

It is an arithmetic number, because the mean of its divisors is an integer number (31059936).

Almost surely, 2^885220842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 885220842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (993917952).

885220842 is an abundant number, since it is smaller than the sum of its proper divisors (1102615062).

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

885220842 is a wasteful number, since it uses less digits than its factorization.

885220842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283.

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 885220842 is about 29752.6610910688. The cubic root of 885220842 is about 960.1753303896.

The spelling of 885220842 in words is "eight hundred eighty-five million, two hundred twenty thousand, eight hundred forty-two".