228144803 has 2 divisors, whose sum is σ = 228144804. Its totient is φ = 228144802.

The previous prime is 228144781. The next prime is 228144817. The reversal of 228144803 is 308441822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 228144803 - 2¹⁴ = 228128419 is a prime.

It is a super-2 number, since 2×228144803² = 104100102271817618, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228144803.

It is not a weakly prime, because it can be changed into another prime (228144823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114072401 + 114072402.

It is an arithmetic number, because the mean of its divisors is an integer number (114072402).

Almost surely, 2^228144803 is an apocalyptic number.

228144803 is a deficient number, since it is larger than the sum of its proper divisors (1).

228144803 is an equidigital number, since it uses as much as digits as its factorization.

228144803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 228144803 is about 15104.4630159433. The cubic root of 228144803 is about 611.0407771972.

The spelling of 228144803 in words is "two hundred twenty-eight million, one hundred forty-four thousand, eight hundred three".