32304228 has 96 divisors (see below), whose sum is σ = 86704128. Its totient is φ = 9273600.

The previous prime is 32304227. The next prime is 32304229. The reversal of 32304228 is 82240323.

It is an interprime number because it is at equal distance from previous prime (32304227) and next prime (32304229).

It is a junction number, because it is equal to n+sod(n) for n = 32304198 and 32304207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32304227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254301 + ... + 254427.

It is an arithmetic number, because the mean of its divisors is an integer number (903168).

Almost surely, 2^32304228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32304228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43352064).

32304228 is an abundant number, since it is smaller than the sum of its proper divisors (54399900).

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

32304228 is a wasteful number, since it uses less digits than its factorization.

32304228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 32304228 is about 5683.6808495903. The cubic root of 32304228 is about 318.4831467448.

The spelling of 32304228 in words is "thirty-two million, three hundred four thousand, two hundred twenty-eight".