228141564 has 48 divisors (see below), whose sum is σ = 644168448. Its totient is φ = 61348608.

The previous prime is 228141559. The next prime is 228141643. The reversal of 228141564 is 465141822.

It is a happy number.

228141564 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78454 + ... + 81309.

It is an arithmetic number, because the mean of its divisors is an integer number (13420176).

Almost surely, 2^228141564 is an apocalyptic number.

It is an amenable number.

228141564 is an abundant number, since it is smaller than the sum of its proper divisors (416026884).

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

228141564 is a wasteful number, since it uses less digits than its factorization.

228141564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159794 (or 159792 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 228141564 is about 15104.3557955975. The cubic root of 228141564 is about 611.0378855096.

The spelling of 228141564 in words is "two hundred twenty-eight million, one hundred forty-one thousand, five hundred sixty-four".