228793503 has 8 divisors (see below), whose sum is σ = 305645616. Its totient is φ = 152235200.

The previous prime is 228793447. The next prime is 228793511. The reversal of 228793503 is 305397822.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228793503 is a prime.

It is a super-2 number, since 2×228793503² = 104692934030022018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228793553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71628 + ... + 74753.

It is an arithmetic number, because the mean of its divisors is an integer number (38205702).

Almost surely, 2^228793503 is an apocalyptic number.

228793503 is a deficient number, since it is larger than the sum of its proper divisors (76852113).

228793503 is a wasteful number, since it uses less digits than its factorization.

228793503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146905.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 228793503 is about 15125.9215587018. The cubic root of 228793503 is about 611.6193674204.

The spelling of 228793503 in words is "two hundred twenty-eight million, seven hundred ninety-three thousand, five hundred three".