32220243 has 18 divisors (see below), whose sum is σ = 51157652. Its totient is φ = 19526760.

The previous prime is 32220241. The next prime is 32220259. The reversal of 32220243 is 34202223.

It is not a de Polignac number, because 32220243 - 2¹ = 32220241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32220241) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13705 + ... + 15882.

Almost surely, 2^32220243 is an apocalyptic number.

32220243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

32220243 is a deficient number, since it is larger than the sum of its proper divisors (18937409).

32220243 is a wasteful number, since it uses less digits than its factorization.

32220243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29615 (or 29601 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 32220243 is about 5676.2877834021. The cubic root of 32220243 is about 318.2069081835.

Adding to 32220243 its reverse (34202223), we get a palindrome (66422466).

The spelling of 32220243 in words is "thirty-two million, two hundred twenty thousand, two hundred forty-three".