228761503 has 8 divisors (see below), whose sum is σ = 245630880. Its totient is φ = 212271360.

The previous prime is 228761453. The next prime is 228761513. The reversal of 228761503 is 305167822.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 228761503 - 2²⁵ = 195207071 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 (228761513) 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, 93558 + ... + 95971.

It is an arithmetic number, because the mean of its divisors is an integer number (30703860).

Almost surely, 2^228761503 is an apocalyptic number.

228761503 is a deficient number, since it is larger than the sum of its proper divisors (16869377).

228761503 is a wasteful number, since it uses less digits than its factorization.

228761503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189617.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 228761503 is about 15124.8637349234. The cubic root of 228761503 is about 611.5908515578.

The spelling of 228761503 in words is "two hundred twenty-eight million, seven hundred sixty-one thousand, five hundred three".