228569460 has 96 divisors (see below), whose sum is σ = 747048960. Its totient is φ = 51128448.

The previous prime is 228569459. The next prime is 228569477. The reversal of 228569460 is 64965822.

228569460 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 31 ways as a sum of consecutive naturals, for example, 13951 + ... + 25529.

It is an arithmetic number, because the mean of its divisors is an integer number (7781760).

Almost surely, 2^228569460 is an apocalyptic number.

228569460 is a gapful number since it is divisible by the number (20) 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 228569460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373524480).

228569460 is an abundant number, since it is smaller than the sum of its proper divisors (518479500).

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

228569460 is a wasteful number, since it uses less digits than its factorization.

228569460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11645 (or 11643 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 228569460 is about 15118.5138158484. The cubic root of 228569460 is about 611.4196621717.

The spelling of 228569460 in words is "two hundred twenty-eight million, five hundred sixty-nine thousand, four hundred sixty".