228358378 has 32 divisors (see below), whose sum is σ = 368424000. Its totient is φ = 105836544.

The previous prime is 228358373. The next prime is 228358387. The reversal of 228358378 is 873853822.

It is not an unprimeable number, because it can be changed into a prime (228358373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 654148 + ... + 654496.

It is an arithmetic number, because the mean of its divisors is an integer number (11513250).

Almost surely, 2^228358378 is an apocalyptic number.

228358378 is a deficient number, since it is larger than the sum of its proper divisors (140065622).

228358378 is a wasteful number, since it uses less digits than its factorization.

228358378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694.

The product of its digits is 645120, while the sum is 46.

The square root of 228358378 is about 15111.5312923608. The cubic root of 228358378 is about 611.2313905423.

It can be divided in two parts, 22835 and 8378, that added together give a palindrome (31213).

The spelling of 228358378 in words is "two hundred twenty-eight million, three hundred fifty-eight thousand, three hundred seventy-eight".