228112152 has 32 divisors (see below), whose sum is σ = 578096880. Its totient is φ = 74995200.

The previous prime is 228112133. The next prime is 228112163. The reversal of 228112152 is 251211822.

228112152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228112152² = 104070307780142208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 63349 + ... + 66852.

Almost surely, 2^228112152 is an apocalyptic number.

It is an amenable number.

228112152 is an abundant number, since it is smaller than the sum of its proper divisors (349984728).

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

228112152 is a wasteful number, since it uses less digits than its factorization.

228112152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130283 (or 130279 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 228112152 is about 15103.3821377862. The cubic root of 228112152 is about 611.0116260557.

Adding to 228112152 its reverse (251211822), we get a palindrome (479323974).

The spelling of 228112152 in words is "two hundred twenty-eight million, one hundred twelve thousand, one hundred fifty-two".