228378227 has 8 divisors (see below), whose sum is σ = 284731392. Its totient is φ = 177957000.

The previous prime is 228378191. The next prime is 228378239. The reversal of 228378227 is 722873822.

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 228378227 - 2¹⁴ = 228361843 is a prime.

It is a super-2 number, since 2×228378227² = 104313229135327058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228378257) 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, 1482899 + ... + 1483052.

It is an arithmetic number, because the mean of its divisors is an integer number (35591424).

Almost surely, 2^228378227 is an apocalyptic number.

228378227 is a deficient number, since it is larger than the sum of its proper divisors (56353165).

228378227 is a wasteful number, since it uses less digits than its factorization.

228378227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965969.

The product of its digits is 150528, while the sum is 41.

The square root of 228378227 is about 15112.1880282109. The cubic root of 228378227 is about 611.2490995201.

The spelling of 228378227 in words is "two hundred twenty-eight million, three hundred seventy-eight thousand, two hundred twenty-seven".