3505224231 has 6 divisors (see below), whose sum is σ = 5063101680. Its totient is φ = 2336816148.

The previous prime is 3505224223. The next prime is 3505224263. The reversal of 3505224231 is 1324225053.

It is a happy number.

It is not a de Polignac number, because 3505224231 - 2³ = 3505224223 is a prime.

It is a super-2 number, since 2×3505224231² = 24573193819179082722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3505224195 and 3505224204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3505224221) 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, 194734671 + ... + 194734688.

It is an arithmetic number, because the mean of its divisors is an integer number (843850280).

Almost surely, 2^3505224231 is an apocalyptic number.

3505224231 is a deficient number, since it is larger than the sum of its proper divisors (1557877449).

3505224231 is a wasteful number, since it uses less digits than its factorization.

3505224231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389469365 (or 389469362 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3505224231 is about 59204.9341778200. The cubic root of 3505224231 is about 1519.0495314517.

Adding to 3505224231 its reverse (1324225053), we get a palindrome (4829449284).

The spelling of 3505224231 in words is "three billion, five hundred five million, two hundred twenty-four thousand, two hundred thirty-one".