228558077 has 8 divisors (see below), whose sum is σ = 257934240. Its totient is φ = 200614960.

The previous prime is 228558073. The next prime is 228558079. The reversal of 228558077 is 770855822.

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 228558077 - 2² = 228558073 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 (228558073) 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, 357923 + ... + 358560.

It is an arithmetic number, because the mean of its divisors is an integer number (32241780).

Almost surely, 2^228558077 is an apocalyptic number.

It is an amenable number.

228558077 is a deficient number, since it is larger than the sum of its proper divisors (29376163).

228558077 is a wasteful number, since it uses less digits than its factorization.

228558077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716523.

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 228558077 is about 15118.1373522005. The cubic root of 228558077 is about 611.4095122221.

The spelling of 228558077 in words is "two hundred twenty-eight million, five hundred fifty-eight thousand, seventy-seven".