32400422 has 8 divisors (see below), whose sum is σ = 50713776. Its totient is φ = 15495832.

The previous prime is 32400421. The next prime is 32400427. The reversal of 32400422 is 22400423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 32400422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32400421) 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 3 ways as a sum of consecutive naturals, for example, 352133 + ... + 352224.

It is an arithmetic number, because the mean of its divisors is an integer number (6339222).

Almost surely, 2^32400422 is an apocalyptic number.

32400422 is a deficient number, since it is larger than the sum of its proper divisors (18313354).

32400422 is a wasteful number, since it uses less digits than its factorization.

32400422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704382.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 32400422 is about 5692.1368571038. The cubic root of 32400422 is about 318.7989548288.

Adding to 32400422 its reverse (22400423), we get a palindrome (54800845).

Subtracting from 32400422 its reverse (22400423), we obtain a palindrome (9999999).

The spelling of 32400422 in words is "thirty-two million, four hundred thousand, four hundred twenty-two".