228323532 has 48 divisors (see below), whose sum is σ = 593792640. Its totient is φ = 67859712.

The previous prime is 228323531. The next prime is 228323533. The reversal of 228323532 is 235323822.

It is an interprime number because it is at equal distance from previous prime (228323531) and next prime (228323533).

It is a self number, because there is not a number n which added to its sum of digits gives 228323532.

It is not an unprimeable number, because it can be changed into a prime (228323531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25578 + ... + 33329.

It is an arithmetic number, because the mean of its divisors is an integer number (12370680).

Almost surely, 2^228323532 is an apocalyptic number.

It is an amenable number.

228323532 is an abundant number, since it is smaller than the sum of its proper divisors (365469108).

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

228323532 is a wasteful number, since it uses less digits than its factorization.

228323532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58950 (or 58948 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 228323532 is about 15110.3782877862. The cubic root of 228323532 is about 611.2002989854.

The spelling of 228323532 in words is "two hundred twenty-eight million, three hundred twenty-three thousand, five hundred thirty-two".