224455999 has 4 divisors (see below), whose sum is σ = 224486640. Its totient is φ = 224425360.

The previous prime is 224455993. The next prime is 224456003. The reversal of 224455999 is 999554422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 999554422 = 2 ⋅499777211.

It is a cyclic number.

It is not a de Polignac number, because 224455999 - 2¹⁷ = 224324927 is a prime.

It is a super-3 number, since 3×224455999³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224455993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2859 + ... + 21379.

It is an arithmetic number, because the mean of its divisors is an integer number (56121660).

Almost surely, 2^224455999 is an apocalyptic number.

224455999 is a deficient number, since it is larger than the sum of its proper divisors (30641).

224455999 is a wasteful number, since it uses less digits than its factorization.

224455999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30640.

The product of its digits is 1166400, while the sum is 49.

The square root of 224455999 is about 14981.8556594302. The cubic root of 224455999 is about 607.7296226467.

The spelling of 224455999 in words is "two hundred twenty-four million, four hundred fifty-five thousand, nine hundred ninety-nine".