228038955 has 24 divisors (see below), whose sum is σ = 375308976. Its totient is φ = 118149120.

The previous prime is 228038947. The next prime is 228038959. The reversal of 228038955 is 559830822.

It is not a de Polignac number, because 228038955 - 2³ = 228038947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228038959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 355435 + ... + 356075.

It is an arithmetic number, because the mean of its divisors is an integer number (15637874).

Almost surely, 2^228038955 is an apocalyptic number.

228038955 is a deficient number, since it is larger than the sum of its proper divisors (147270021).

228038955 is an frugal number, since it uses more digits than its factorization.

228038955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 228038955 is about 15100.9587443977. The cubic root of 228038955 is about 610.9462649279.

The spelling of 228038955 in words is "two hundred twenty-eight million, thirty-eight thousand, nine hundred fifty-five".