228374464 has 56 divisors (see below), whose sum is σ = 486095040. Its totient is φ = 106070016.

The previous prime is 228374407. The next prime is 228374467. The reversal of 228374464 is 464473822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228374467) 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, 84624 + ... + 87280.

Almost surely, 2^228374464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228374464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243047520).

228374464 is an abundant number, since it is smaller than the sum of its proper divisors (257720576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228374464 is a wasteful number, since it uses less digits than its factorization.

228374464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765 (or 2755 counting only the distinct ones).

The product of its digits is 258048, while the sum is 40.

The square root of 228374464 is about 15112.0635255414. The cubic root of 228374464 is about 611.2457423072.

The spelling of 228374464 in words is "two hundred twenty-eight million, three hundred seventy-four thousand, four hundred sixty-four".