228459892 has 12 divisors (see below), whose sum is σ = 407348676. Its totient is φ = 112074560.

The previous prime is 228459887. The next prime is 228459899. The reversal of 228459892 is 298954822.

228459892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 162460516 + 65999376 = 12746^2 + 8124^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228459899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538609 + ... + 539032.

It is an arithmetic number, because the mean of its divisors is an integer number (33945723).

Almost surely, 2^228459892 is an apocalyptic number.

It is an amenable number.

228459892 is a deficient number, since it is larger than the sum of its proper divisors (178888784).

228459892 is a wasteful number, since it uses less digits than its factorization.

228459892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077698 (or 1077696 counting only the distinct ones).

The product of its digits is 829440, while the sum is 49.

The square root of 228459892 is about 15114.8897448840. The cubic root of 228459892 is about 611.3219490055.

The spelling of 228459892 in words is "two hundred twenty-eight million, four hundred fifty-nine thousand, eight hundred ninety-two".