5641522231 has 8 divisors (see below), whose sum is σ = 5793125744. Its totient is φ = 5491825920.

The previous prime is 5641522219. The next prime is 5641522241. The reversal of 5641522231 is 1322251465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5641522231 is a prime.

It is a super-2 number, since 2×5641522231² = 63653546165734434722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5641522193 and 5641522202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641522241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470805 + ... + 482638.

It is an arithmetic number, because the mean of its divisors is an integer number (724140718).

Almost surely, 2^5641522231 is an apocalyptic number.

5641522231 is a deficient number, since it is larger than the sum of its proper divisors (151603513).

5641522231 is an equidigital number, since it uses as much as digits as its factorization.

5641522231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953601.

The product of its digits is 14400, while the sum is 31.

The square root of 5641522231 is about 75110.0674410561. The cubic root of 5641522231 is about 1780.1862186820.

Adding to 5641522231 its reverse (1322251465), we get a palindrome (6963773696).

The spelling of 5641522231 in words is "five billion, six hundred forty-one million, five hundred twenty-two thousand, two hundred thirty-one".