5523231 has 12 divisors (see below), whose sum is σ = 8566872.
Its totient is φ = 3156048.
The previous prime is 5523229. The next prime is 5523247. The reversal of 5523231 is 1323255.
It is not a de Polignac number, because 5523231 - 21 = 5523229 is a prime.
It is a super-2 number, since 2×55232312 = 61012161358722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 5523198 and 5523207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5523211) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18640 + ... + 18933.
It is an arithmetic number, because the mean of its divisors is an integer number (713906).
Almost surely, 25523231 is an apocalyptic number.
5523231 is a deficient number, since it is larger than the sum of its proper divisors (3043641).
5523231 is a wasteful number, since it uses less digits than its factorization.
5523231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37590 (or 37583 counting only the distinct ones).
The product of its digits is 900, while the sum is 21.
The square root of 5523231 is about 2350.1555267684.
The cubic root of 5523231 is about 176.7655935006.
Adding to 5523231 its reverse (1323255), we get a palindrome (6846486).
The spelling of 5523231 in words is "five million, five hundred twenty-three thousand, two hundred thirty-one".