227985403 has 4 divisors (see below), whose sum is σ = 228631608. Its totient is φ = 227339200.

The previous prime is 227985397. The next prime is 227985409. The reversal of 227985403 is 304589722.

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

It is an interprime number because it is at equal distance from previous prime (227985397) and next prime (227985409).

It is a cyclic number.

It is not a de Polignac number, because 227985403 - 2⁵ = 227985371 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227985409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322573 + ... + 323278.

It is an arithmetic number, because the mean of its divisors is an integer number (57157902).

Almost surely, 2^227985403 is an apocalyptic number.

227985403 is a deficient number, since it is larger than the sum of its proper divisors (646205).

227985403 is an equidigital number, since it uses as much as digits as its factorization.

227985403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646204.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 227985403 is about 15099.1855078345. The cubic root of 227985403 is about 610.8984369069.

The spelling of 227985403 in words is "two hundred twenty-seven million, nine hundred eighty-five thousand, four hundred three".