228833278 has 8 divisors (see below), whose sum is σ = 343562760. Its totient is φ = 114312360.

The previous prime is 228833273. The next prime is 228833281. The reversal of 228833278 is 872338822.

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

It is a super-4 number, since 4×228833278⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228833273) 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, 49368 + ... + 53803.

It is an arithmetic number, because the mean of its divisors is an integer number (42945345).

Almost surely, 2^228833278 is an apocalyptic number.

228833278 is a deficient number, since it is larger than the sum of its proper divisors (114729482).

228833278 is a wasteful number, since it uses less digits than its factorization.

228833278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104282.

The product of its digits is 258048, while the sum is 43.

The square root of 228833278 is about 15127.2362974867. The cubic root of 228833278 is about 611.6548080403.

The spelling of 228833278 in words is "two hundred twenty-eight million, eight hundred thirty-three thousand, two hundred seventy-eight".