228370250177 has 4 divisors (see below), whose sum is σ = 236245086420. Its totient is φ = 220495413936.

The previous prime is 228370250137. The next prime is 228370250183. The reversal of 228370250177 is 771052073822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119749910401 + 108620339776 = 346049^2 + 329576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228370250177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228370250117) 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, 3937418078 + ... + 3937418135.

It is an arithmetic number, because the mean of its divisors is an integer number (59061271605).

Almost surely, 2^228370250177 is an apocalyptic number.

It is an amenable number.

228370250177 is a deficient number, since it is larger than the sum of its proper divisors (7874836243).

228370250177 is an equidigital number, since it uses as much as digits as its factorization.

228370250177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7874836242.

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 228370250177 in words is "two hundred twenty-eight billion, three hundred seventy million, two hundred fifty thousand, one hundred seventy-seven".