32223012 has 96 divisors (see below), whose sum is σ = 84295680. Its totient is φ = 9538560.

The previous prime is 32223011. The next prime is 32223013. The reversal of 32223012 is 21032223.

It is an interprime number because it is at equal distance from previous prime (32223011) and next prime (32223013).

It is a junction number, because it is equal to n+sod(n) for n = 32222982 and 32223000.

It is not an unprimeable number, because it can be changed into a prime (32223011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 332148 + ... + 332244.

It is an arithmetic number, because the mean of its divisors is an integer number (878080).

Almost surely, 2^32223012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32223012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42147840).

32223012 is an abundant number, since it is smaller than the sum of its proper divisors (52072668).

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

32223012 is a wasteful number, since it uses less digits than its factorization.

32223012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 199 counting only the distinct ones).

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

The square root of 32223012 is about 5676.5316875712. The cubic root of 32223012 is about 318.2160234643.

Adding to 32223012 its reverse (21032223), we get a palindrome (53255235).

The spelling of 32223012 in words is "thirty-two million, two hundred twenty-three thousand, twelve".