228805464 has 32 divisors (see below), whose sum is σ = 572728320. Its totient is φ = 76173216.

The previous prime is 228805457. The next prime is 228805471. The reversal of 228805464 is 464508822.

228805464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (228805457) and next prime (228805471).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15189 + ... + 26235.

It is an arithmetic number, because the mean of its divisors is an integer number (17897760).

Almost surely, 2^228805464 is an apocalyptic number.

228805464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228805464 is an abundant number, since it is smaller than the sum of its proper divisors (343922856).

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

228805464 is a wasteful number, since it uses less digits than its factorization.

228805464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11919 (or 11915 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 228805464 is about 15126.3169344028. The cubic root of 228805464 is about 611.6300254325.

The spelling of 228805464 in words is "two hundred twenty-eight million, eight hundred five thousand, four hundred sixty-four".