32130222 has 16 divisors (see below), whose sum is σ = 64422480. Its totient is φ = 10683072.

The previous prime is 32130209. The next prime is 32130227. The reversal of 32130222 is 22203123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4093 + ... + 9000.

It is an arithmetic number, because the mean of its divisors is an integer number (4026405).

Almost surely, 2^32130222 is an apocalyptic number.

32130222 is an abundant number, since it is smaller than the sum of its proper divisors (32292258).

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

32130222 is a wasteful number, since it uses less digits than its factorization.

32130222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13507.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 32130222 is about 5668.3526707501. The cubic root of 32130222 is about 317.9102828271.

Adding to 32130222 its reverse (22203123), we get a palindrome (54333345).

The spelling of 32130222 in words is "thirty-two million, one hundred thirty thousand, two hundred twenty-two".