1004442231 has 32 divisors (see below), whose sum is σ = 1528470720. Its totient is φ = 582220800.

The previous prime is 1004442221. The next prime is 1004442233. The reversal of 1004442231 is 1322444001.

It is not a de Polignac number, because 1004442231 - 2⁵ = 1004442199 is a prime.

It is a super-2 number, since 2×1004442231² = 2017808390832514722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1004442198 and 1004442207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004442233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35541 + ... + 57201.

It is an arithmetic number, because the mean of its divisors is an integer number (47764710).

Almost surely, 2^1004442231 is an apocalyptic number.

1004442231 is a deficient number, since it is larger than the sum of its proper divisors (524028489).

1004442231 is a wasteful number, since it uses less digits than its factorization.

1004442231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21747.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1004442231 is about 31692.9366105446. The cubic root of 1004442231 is about 1001.4785564600.

Adding to 1004442231 its reverse (1322444001), we get a palindrome (2326886232).

The spelling of 1004442231 in words is "one billion, four million, four hundred forty-two thousand, two hundred thirty-one".