228621178 has 8 divisors (see below), whose sum is σ = 346078260. Its totient is φ = 113261760.

The previous prime is 228621131. The next prime is 228621191. The reversal of 228621178 is 871126822.

228621178 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 200137609 + 28483569 = 14147^2 + 5337^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524143 + ... + 524578.

Almost surely, 2^228621178 is an apocalyptic number.

228621178 is a deficient number, since it is larger than the sum of its proper divisors (117457082).

228621178 is a wasteful number, since it uses less digits than its factorization.

228621178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048832.

The product of its digits is 21504, while the sum is 37.

The square root of 228621178 is about 15120.2241385503. The cubic root of 228621178 is about 611.4657736359.

The spelling of 228621178 in words is "two hundred twenty-eight million, six hundred twenty-one thousand, one hundred seventy-eight".