224455 has 24 divisors (see below), whose sum is σ = 344736. Its totient is φ = 137280.

The previous prime is 224449. The next prime is 224461. The reversal of 224455 is 554422.

It is an interprime number because it is at equal distance from previous prime (224449) and next prime (224461).

It is not a de Polignac number, because 224455 - 2⁵ = 224423 is a prime.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 10 and base 15.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4209 + ... + 4261.

It is an arithmetic number, because the mean of its divisors is an integer number (14364).

2²²⁴⁴⁵⁵ is an apocalyptic number.

224455 is a deficient number, since it is larger than the sum of its proper divisors (120281).

224455 is a wasteful number, since it uses less digits than its factorization.

224455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 76 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 224455 is about 473.7668202819. The cubic root of 224455 is about 60.7728721026.

Adding to 224455 its reverse (554422), we get a palindrome (778877).

It can be divided in two parts, 22445 and 5, that multiplied together give a square (112225 = 335²).

The spelling of 224455 in words is "two hundred twenty-four thousand, four hundred fifty-five".