32223340 has 48 divisors (see below), whose sum is σ = 70187040. Its totient is φ = 12418560.

The previous prime is 32223271. The next prime is 32223349. The reversal of 32223340 is 4332223.

It is not an unprimeable number, because it can be changed into a prime (32223349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76330 + ... + 76750.

It is an arithmetic number, because the mean of its divisors is an integer number (1462230).

Almost surely, 2^32223340 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 32223340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35093520).

32223340 is an abundant number, since it is smaller than the sum of its proper divisors (37963700).

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

32223340 is a wasteful number, since it uses less digits than its factorization.

32223340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 32223340 is about 5676.5605783784. The cubic root of 32223340 is about 318.2171031741.

Adding to 32223340 its reverse (4332223), we get a palindrome (36555563).

The spelling of 32223340 in words is "thirty-two million, two hundred twenty-three thousand, three hundred forty".