32018422 has 4 divisors (see below), whose sum is σ = 48027636. Its totient is φ = 16009210.

The previous prime is 32018419. The next prime is 32018449. The reversal of 32018422 is 22481023.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 32018393 and 32018402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8004604 + ... + 8004607.

It is an arithmetic number, because the mean of its divisors is an integer number (12006909).

Almost surely, 2^32018422 is an apocalyptic number.

32018422 is a deficient number, since it is larger than the sum of its proper divisors (16009214).

32018422 is a wasteful number, since it uses less digits than its factorization.

32018422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16009213.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 32018422 is about 5658.4823053536. The cubic root of 32018422 is about 317.5411218360.

Adding to 32018422 its reverse (22481023), we get a palindrome (54499445).

The spelling of 32018422 in words is "thirty-two million, eighteen thousand, four hundred twenty-two".