228081503 has 16 divisors (see below), whose sum is σ = 266134176. Its totient is φ = 193536000.

The previous prime is 228081493. The next prime is 228081509. The reversal of 228081503 is 305180822.

It is a cyclic number.

It is not a de Polignac number, because 228081503 - 2⁴ = 228081487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228081509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2498 + ... + 21503.

It is an arithmetic number, because the mean of its divisors is an integer number (16633386).

Almost surely, 2^228081503 is an apocalyptic number.

228081503 is a deficient number, since it is larger than the sum of its proper divisors (38052673).

228081503 is a wasteful number, since it uses less digits than its factorization.

228081503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24074.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 228081503 is about 15102.3674634145. The cubic root of 228081503 is about 610.9842597888.

The spelling of 228081503 in words is "two hundred twenty-eight million, eighty-one thousand, five hundred three".