32221023 has 4 divisors (see below), whose sum is σ = 42961368. Its totient is φ = 21480680.

The previous prime is 32221003. The next prime is 32221031. The reversal of 32221023 is 32012223.

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 32221023 - 2¹⁸ = 31958879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32220993 and 32221011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32221003) 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, 5370168 + ... + 5370173.

It is an arithmetic number, because the mean of its divisors is an integer number (10740342).

Almost surely, 2^32221023 is an apocalyptic number.

32221023 is a deficient number, since it is larger than the sum of its proper divisors (10740345).

32221023 is a wasteful number, since it uses less digits than its factorization.

32221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10740344.

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

The square root of 32221023 is about 5676.3564898621. The cubic root of 32221023 is about 318.2094759211.

Adding to 32221023 its reverse (32012223), we get a palindrome (64233246).

The spelling of 32221023 in words is "thirty-two million, two hundred twenty-one thousand, twenty-three".