227138803 has 2 divisors, whose sum is σ = 227138804. Its totient is φ = 227138802.

The previous prime is 227138801. The next prime is 227138837. The reversal of 227138803 is 308831722.

It is an a-pointer prime, because the next prime (227138837) can be obtained adding 227138803 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 227138803 - 2¹ = 227138801 is a prime.

Together with 227138801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (227138801) 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 as a sum of consecutive naturals, namely, 113569401 + 113569402.

It is an arithmetic number, because the mean of its divisors is an integer number (113569402).

Almost surely, 2^227138803 is an apocalyptic number.

227138803 is a deficient number, since it is larger than the sum of its proper divisors (1).

227138803 is an equidigital number, since it uses as much as digits as its factorization.

227138803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 227138803 is about 15071.1248087195. The cubic root of 227138803 is about 610.1413297900.

The spelling of 227138803 in words is "two hundred twenty-seven million, one hundred thirty-eight thousand, eight hundred three".