404012224231 has 16 divisors (see below), whose sum is σ = 503911669248. Its totient is φ = 314684647200.

The previous prime is 404012224193. The next prime is 404012224241. The reversal of 404012224231 is 132422210404.

It is not a de Polignac number, because 404012224231 - 2¹³ = 404012216039 is a prime.

It is a super-2 number, since 2×404012224231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404012224196 and 404012224205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404012224241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 896160 + ... + 1269301.

It is an arithmetic number, because the mean of its divisors is an integer number (31494479328).

Almost surely, 2^404012224231 is an apocalyptic number.

404012224231 is a deficient number, since it is larger than the sum of its proper divisors (99899445017).

404012224231 is a wasteful number, since it uses less digits than its factorization.

404012224231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167902.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 404012224231 its reverse (132422210404), we get a palindrome (536434434635).

The spelling of 404012224231 in words is "four hundred four billion, twelve million, two hundred twenty-four thousand, two hundred thirty-one".