228532704 has 48 divisors (see below), whose sum is σ = 602598528. Its totient is φ = 75834752.

The previous prime is 228532699. The next prime is 228532709. The reversal of 228532704 is 407235822.

228532704 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 (228532699) and next prime (228532709).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228532709) 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, 16549 + ... + 27035.

It is an arithmetic number, because the mean of its divisors is an integer number (12554136).

Almost surely, 2^228532704 is an apocalyptic number.

228532704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228532704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301299264).

228532704 is an abundant number, since it is smaller than the sum of its proper divisors (374065824).

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

228532704 is a wasteful number, since it uses less digits than its factorization.

228532704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10727 (or 10719 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 228532704 is about 15117.2981713003. The cubic root of 228532704 is about 611.3868865101.

The spelling of 228532704 in words is "two hundred twenty-eight million, five hundred thirty-two thousand, seven hundred four".