228177157 has 8 divisors (see below), whose sum is σ = 247358720. Its totient is φ = 209228400.

The previous prime is 228177121. The next prime is 228177161. The reversal of 228177157 is 751771822.

228177157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228177157 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 (228177197) 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, 56157 + ... + 60082.

It is an arithmetic number, because the mean of its divisors is an integer number (30919840).

Almost surely, 2^228177157 is an apocalyptic number.

It is an amenable number.

228177157 is a deficient number, since it is larger than the sum of its proper divisors (19181563).

228177157 is a wasteful number, since it uses less digits than its factorization.

228177157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116403.

The product of its digits is 54880, while the sum is 40.

The square root of 228177157 is about 15105.5339859271. The cubic root of 228177157 is about 611.0696604306.

The spelling of 228177157 in words is "two hundred twenty-eight million, one hundred seventy-seven thousand, one hundred fifty-seven".