224202423 has 4 divisors (see below), whose sum is σ = 298936568. Its totient is φ = 149468280.

The previous prime is 224202403. The next prime is 224202457. The reversal of 224202423 is 324202422.

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

It is not a de Polignac number, because 224202423 - 2⁶ = 224202359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 224202423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224202403) 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, 37367068 + ... + 37367073.

It is an arithmetic number, because the mean of its divisors is an integer number (74734142).

Almost surely, 2^224202423 is an apocalyptic number.

224202423 is a deficient number, since it is larger than the sum of its proper divisors (74734145).

224202423 is an equidigital number, since it uses as much as digits as its factorization.

224202423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74734144.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 224202423 is about 14973.3904978131. The cubic root of 224202423 is about 607.5006784189.

Adding to 224202423 its reverse (324202422), we get a palindrome (548404845).

Subtracting 224202423 from its reverse (324202422), we obtain a palindrome (99999999).

The spelling of 224202423 in words is "two hundred twenty-four million, two hundred two thousand, four hundred twenty-three".