885040221 has 16 divisors (see below), whose sum is σ = 1297868544. Its totient is φ = 533050944.

The previous prime is 885040217. The next prime is 885040223. The reversal of 885040221 is 122040588.

It is not a de Polignac number, because 885040221 - 2² = 885040217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885040223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239586 + ... + 243251.

It is an arithmetic number, because the mean of its divisors is an integer number (81116784).

Almost surely, 2^885040221 is an apocalyptic number.

It is an amenable number.

885040221 is a deficient number, since it is larger than the sum of its proper divisors (412828323).

885040221 is a wasteful number, since it uses less digits than its factorization.

885040221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482900.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 885040221 is about 29749.6255606688. The cubic root of 885040221 is about 960.1100210277.

The spelling of 885040221 in words is "eight hundred eighty-five million, forty thousand, two hundred twenty-one".