32223020 has 12 divisors (see below), whose sum is σ = 67668384. Its totient is φ = 12889200.

The previous prime is 32223019. The next prime is 32223029. The reversal of 32223020 is 2032223.

It is a junction number, because it is equal to n+sod(n) for n = 32222986 and 32223004.

It is not an unprimeable number, because it can be changed into a prime (32223029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805556 + ... + 805595.

It is an arithmetic number, because the mean of its divisors is an integer number (5639032).

Almost surely, 2^32223020 is an apocalyptic number.

It is an amenable number.

32223020 is an abundant number, since it is smaller than the sum of its proper divisors (35445364).

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

32223020 is a wasteful number, since it uses less digits than its factorization.

32223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611160 (or 1611158 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 32223020 is about 5676.5323922268. The cubic root of 32223020 is about 318.2160497988.

Adding to 32223020 its reverse (2032223), we get a palindrome (34255243).

The spelling of 32223020 in words is "thirty-two million, two hundred twenty-three thousand, twenty".