228292464 has 20 divisors (see below), whose sum is σ = 589755656. Its totient is φ = 76097472.

The previous prime is 228292447. The next prime is 228292487. The reversal of 228292464 is 464292822.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2377999 + ... + 2378094.

Almost surely, 2^228292464 is an apocalyptic number.

228292464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228292464 is an abundant number, since it is smaller than the sum of its proper divisors (361463192).

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

228292464 is a wasteful number, since it uses less digits than its factorization.

228292464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756104 (or 4756098 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 228292464 is about 15109.3502176632. The cubic root of 228292464 is about 611.1725757045.

The spelling of 228292464 in words is "two hundred twenty-eight million, two hundred ninety-two thousand, four hundred sixty-four".