228657355 has 8 divisors (see below), whose sum is σ = 274487472. Its totient is φ = 182860128.

The previous prime is 228657349. The next prime is 228657367. The reversal of 228657355 is 553756822.

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 228657355 - 2³ = 228657347 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11289 + ... + 24181.

It is an arithmetic number, because the mean of its divisors is an integer number (34310934).

Almost surely, 2^228657355 is an apocalyptic number.

228657355 is a deficient number, since it is larger than the sum of its proper divisors (45830117).

228657355 is a wasteful number, since it uses less digits than its factorization.

228657355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16445.

The product of its digits is 504000, while the sum is 43.

The square root of 228657355 is about 15121.4204028590. The cubic root of 228657355 is about 611.4980247026.

The spelling of 228657355 in words is "two hundred twenty-eight million, six hundred fifty-seven thousand, three hundred fifty-five".