5555223 has 12 divisors (see below), whose sum is σ = 8321768. Its totient is φ = 3703320.

The previous prime is 5555219. The next prime is 5555233. The reversal of 5555223 is 3225555.

It is not a de Polignac number, because 5555223 - 2² = 5555219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5555233) 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, 11188 + ... + 11673.

Almost surely, 2^5555223 is an apocalyptic number.

5555223 is a deficient number, since it is larger than the sum of its proper divisors (2766545).

5555223 is an equidigital number, since it uses as much as digits as its factorization.

5555223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22876 (or 22864 counting only the distinct ones).

The product of its digits is 7500, while the sum is 27.

The square root of 5555223 is about 2356.9520572129. The cubic root of 5555223 is about 177.1062275298.

It can be divided in two parts, 5555 and 223, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 5555223 in words is "five million, five hundred fifty-five thousand, two hundred twenty-three".