224002403 has 4 divisors (see below), whose sum is σ = 230056560. Its totient is φ = 217948248.

The previous prime is 224002397. The next prime is 224002417. The reversal of 224002403 is 304200422.

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

It is a cyclic number.

It is not a de Polignac number, because 224002403 - 2¹⁸ = 223740259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224002483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3027023 + ... + 3027096.

It is an arithmetic number, because the mean of its divisors is an integer number (57514140).

Almost surely, 2^224002403 is an apocalyptic number.

224002403 is a deficient number, since it is larger than the sum of its proper divisors (6054157).

224002403 is an equidigital number, since it uses as much as digits as its factorization.

224002403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6054156.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 224002403 is about 14966.7098254760. The cubic root of 224002403 is about 607.3199660707.

Adding to 224002403 its reverse (304200422), we get a palindrome (528202825).

The spelling of 224002403 in words is "two hundred twenty-four million, two thousand, four hundred three".