32223643 has 4 divisors (see below), whose sum is σ = 32327568. Its totient is φ = 32119720.

The previous prime is 32223637. The next prime is 32223647. The reversal of 32223643 is 34632223.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 32223643 - 2¹³ = 32215451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32223647) 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, 51496 + ... + 52117.

It is an arithmetic number, because the mean of its divisors is an integer number (8081892).

Almost surely, 2^32223643 is an apocalyptic number.

32223643 is a deficient number, since it is larger than the sum of its proper divisors (103925).

32223643 is a wasteful number, since it uses less digits than its factorization.

32223643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103924.

The product of its digits is 5184, while the sum is 25.

The square root of 32223643 is about 5676.5872670118. The cubic root of 32223643 is about 318.2181005824.

Adding to 32223643 its reverse (34632223), we get a palindrome (66855866).

The spelling of 32223643 in words is "thirty-two million, two hundred twenty-three thousand, six hundred forty-three".