5581223 has 4 divisors (see below), whose sum is σ = 5675880. Its totient is φ = 5486568.

The previous prime is 5581217. The next prime is 5581229. The reversal of 5581223 is 3221855.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (5581217) and next prime (5581229).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5581223 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 5581192 and 5581201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5581229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47240 + ... + 47357.

It is an arithmetic number, because the mean of its divisors is an integer number (1418970).

Almost surely, 2^5581223 is an apocalyptic number.

5581223 is a deficient number, since it is larger than the sum of its proper divisors (94657).

5581223 is an equidigital number, since it uses as much as digits as its factorization.

5581223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94656.

The product of its digits is 2400, while the sum is 26.

The square root of 5581223 is about 2362.4612166129. The cubic root of 5581223 is about 177.3820998442.

The spelling of 5581223 in words is "five million, five hundred eighty-one thousand, two hundred twenty-three".