228204503 has 2 divisors, whose sum is σ = 228204504. Its totient is φ = 228204502.

The previous prime is 228204499. The next prime is 228204523. The reversal of 228204503 is 305402822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228204503 - 2² = 228204499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228204523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114102251 + 114102252.

It is an arithmetic number, because the mean of its divisors is an integer number (114102252).

Almost surely, 2^228204503 is an apocalyptic number.

228204503 is a deficient number, since it is larger than the sum of its proper divisors (1).

228204503 is an equidigital number, since it uses as much as digits as its factorization.

228204503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 228204503 is about 15106.4391237644. The cubic root of 228204503 is about 611.0940707670.

The spelling of 228204503 in words is "two hundred twenty-eight million, two hundred four thousand, five hundred three".