32320422 has 24 divisors (see below), whose sum is σ = 70178160. Its totient is φ = 10750320.

The previous prime is 32320399. The next prime is 32320429. The reversal of 32320422 is 22402323.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 32320395 and 32320404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32320429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8079 + ... + 11397.

It is an arithmetic number, because the mean of its divisors is an integer number (2924090).

Almost surely, 2^32320422 is an apocalyptic number.

32320422 is an abundant number, since it is smaller than the sum of its proper divisors (37857738).

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

32320422 is a wasteful number, since it uses less digits than its factorization.

32320422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868 (or 3865 counting only the distinct ones).

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

The square root of 32320422 is about 5685.1052760701. The cubic root of 32320422 is about 318.5363560285.

Adding to 32320422 its reverse (22402323), we get a palindrome (54722745).

The spelling of 32320422 in words is "thirty-two million, three hundred twenty thousand, four hundred twenty-two".