32304222 has 12 divisors (see below), whose sum is σ = 69992520. Its totient is φ = 10768068.

The previous prime is 32304193. The next prime is 32304227. The reversal of 32304222 is 22240323.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 1794679 = 32304222 / (3 + 2 + 3 + 0 + 4 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 32304195 and 32304204.

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 5 ways as a sum of consecutive naturals, for example, 897322 + ... + 897357.

It is an arithmetic number, because the mean of its divisors is an integer number (5832710).

Almost surely, 2^32304222 is an apocalyptic number.

32304222 is an abundant number, since it is smaller than the sum of its proper divisors (37688298).

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

32304222 is a wasteful number, since it uses less digits than its factorization.

32304222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794687 (or 1794684 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 32304222 is about 5683.6803217634. The cubic root of 32304222 is about 318.4831270270.

Adding to 32304222 its reverse (22240323), we get a palindrome (54544545).

The spelling of 32304222 in words is "thirty-two million, three hundred four thousand, two hundred twenty-two".