228658836037 has 4 divisors (see below), whose sum is σ = 228688997760. Its totient is φ = 228628674316.

The previous prime is 228658836031. The next prime is 228658836041. The reversal of 228658836037 is 730638856822.

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 a de Polignac number, because none of the positive numbers 2^k-228658836037 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 (228658836031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15069487 + ... + 15084652.

It is an arithmetic number, because the mean of its divisors is an integer number (57172249440).

Almost surely, 2^228658836037 is an apocalyptic number.

It is an amenable number.

228658836037 is a deficient number, since it is larger than the sum of its proper divisors (30161723).

228658836037 is an equidigital number, since it uses as much as digits as its factorization.

228658836037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30161722.

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 228658836037 in words is "two hundred twenty-eight billion, six hundred fifty-eight million, eight hundred thirty-six thousand, thirty-seven".