884479221 has 6 divisors (see below), whose sum is σ = 1277581110. Its totient is φ = 589652808.

The previous prime is 884479217. The next prime is 884479223. The reversal of 884479221 is 122974488.

884479221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 865242225 + 19236996 = 29415^2 + 4386^2 .

It is not a de Polignac number, because 884479221 - 2² = 884479217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (884479223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49137726 + ... + 49137743.

It is an arithmetic number, because the mean of its divisors is an integer number (212930185).

Almost surely, 2^884479221 is an apocalyptic number.

It is an amenable number.

884479221 is a deficient number, since it is larger than the sum of its proper divisors (393101889).

884479221 is a wasteful number, since it uses less digits than its factorization.

884479221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98275475 (or 98275472 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 884479221 is about 29740.1953759554. The cubic root of 884479221 is about 959.9071166645.

The spelling of 884479221 in words is "eight hundred eighty-four million, four hundred seventy-nine thousand, two hundred twenty-one".