228985152 has 56 divisors (see below), whose sum is σ = 660940512. Its totient is φ = 69388800.

The previous prime is 228985151. The next prime is 228985181. The reversal of 228985152 is 251589822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228985151) 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, 52099 + ... + 56322.

Almost surely, 2^228985152 is an apocalyptic number.

228985152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

228985152 is an abundant number, since it is smaller than the sum of its proper divisors (431955360).

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

228985152 is a wasteful number, since it uses less digits than its factorization.

228985152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108447 (or 108437 counting only the distinct ones).

The product of its digits is 115200, while the sum is 42.

The square root of 228985152 is about 15132.2553507400. The cubic root of 228985152 is about 611.7900941894.

The spelling of 228985152 in words is "two hundred twenty-eight million, nine hundred eighty-five thousand, one hundred fifty-two".