228421715803 has 2 divisors, whose sum is σ = 228421715804. Its totient is φ = 228421715802.

The previous prime is 228421715777. The next prime is 228421715813. The reversal of 228421715803 is 308517124822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228421715803 - 2¹⁷ = 228421584731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228421715803.

It is not a weakly prime, because it can be changed into another prime (228421715813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114210857901 + 114210857902.

It is an arithmetic number, because the mean of its divisors is an integer number (114210857902).

Almost surely, 2^228421715803 is an apocalyptic number.

228421715803 is a deficient number, since it is larger than the sum of its proper divisors (1).

228421715803 is an equidigital number, since it uses as much as digits as its factorization.

228421715803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 228421715803 in words is "two hundred twenty-eight billion, four hundred twenty-one million, seven hundred fifteen thousand, eight hundred three".