32540222 has 16 divisors (see below), whose sum is σ = 57344112. Its totient is φ = 13653120.

The previous prime is 32540203. The next prime is 32540237. The reversal of 32540222 is 22204523.

It is a junction number, because it is equal to n+sod(n) for n = 32540194 and 32540203.

It is a congruent number.

It is an unprimeable number.

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, 56603 + ... + 57174.

It is an arithmetic number, because the mean of its divisors is an integer number (3584007).

Almost surely, 2^32540222 is an apocalyptic number.

32540222 is a deficient number, since it is larger than the sum of its proper divisors (24803890).

32540222 is a wasteful number, since it uses less digits than its factorization.

32540222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113803.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 32540222 is about 5704.4037374646. The cubic root of 32540222 is about 319.2568104591.

Adding to 32540222 its reverse (22204523), we get a palindrome (54744745).

The spelling of 32540222 in words is "thirty-two million, five hundred forty thousand, two hundred twenty-two".