228906057 has 8 divisors (see below), whose sum is σ = 305277984. Its totient is φ = 152569088.

The previous prime is 228906049. The next prime is 228906079. The reversal of 228906057 is 750609822.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 228906057 - 2³ = 228906049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228906857) 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 7 ways as a sum of consecutive naturals, for example, 21058 + ... + 30020.

It is an arithmetic number, because the mean of its divisors is an integer number (38159748).

Almost surely, 2^228906057 is an apocalyptic number.

It is an amenable number.

228906057 is a deficient number, since it is larger than the sum of its proper divisors (76371927).

228906057 is an equidigital number, since it uses as much as digits as its factorization.

228906057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17479.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 228906057 is about 15129.6416679312. The cubic root of 228906057 is about 611.7196455022.

The spelling of 228906057 in words is "two hundred twenty-eight million, nine hundred six thousand, fifty-seven".