228885937 has 4 divisors (see below), whose sum is σ = 261583936. Its totient is φ = 196187940.

The previous prime is 228885889. The next prime is 228885941. The reversal of 228885937 is 739588822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228885937 - 2⁷ = 228885809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228885967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16348989 + ... + 16349002.

It is an arithmetic number, because the mean of its divisors is an integer number (65395984).

Almost surely, 2^228885937 is an apocalyptic number.

It is an amenable number.

228885937 is a deficient number, since it is larger than the sum of its proper divisors (32697999).

228885937 is an equidigital number, since it uses as much as digits as its factorization.

228885937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32697998.

The product of its digits is 1935360, while the sum is 52.

The square root of 228885937 is about 15128.9767334080. The cubic root of 228885937 is about 611.7017223419.

The spelling of 228885937 in words is "two hundred twenty-eight million, eight hundred eighty-five thousand, nine hundred thirty-seven".