224042453 has 4 divisors (see below), whose sum is σ = 224122380. Its totient is φ = 223962528.

The previous prime is 224042431. The next prime is 224042461. The reversal of 224042453 is 354240422.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 205578244 + 18464209 = 14338^2 + 4297^2 .

It is a cyclic number.

It is not a de Polignac number, because 224042453 - 2⁶ = 224042389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224042353) 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, 35600 + ... + 41417.

It is an arithmetic number, because the mean of its divisors is an integer number (56030595).

Almost surely, 2^224042453 is an apocalyptic number.

It is an amenable number.

224042453 is a deficient number, since it is larger than the sum of its proper divisors (79927).

224042453 is an equidigital number, since it uses as much as digits as its factorization.

224042453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79926.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 224042453 is about 14968.0477350922. The cubic root of 224042453 is about 607.3561587110.

Adding to 224042453 its reverse (354240422), we get a palindrome (578282875).

The spelling of 224042453 in words is "two hundred twenty-four million, forty-two thousand, four hundred fifty-three".