32772223 has 8 divisors (see below), whose sum is σ = 36034560. Its totient is φ = 29557080.

The previous prime is 32772211. The next prime is 32772227. The reversal of 32772223 is 32227723.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32772223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32772191 and 32772200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32772227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10333 + ... + 13126.

It is an arithmetic number, because the mean of its divisors is an integer number (4504320).

Almost surely, 2^32772223 is an apocalyptic number.

32772223 is a deficient number, since it is larger than the sum of its proper divisors (3262337).

32772223 is a wasteful number, since it uses less digits than its factorization.

32772223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23597.

The product of its digits is 7056, while the sum is 28.

The square root of 32772223 is about 5724.7028743857. The cubic root of 32772223 is about 320.0137461543.

Adding to 32772223 its reverse (32227723), we get a palindrome (64999946).

The spelling of 32772223 in words is "thirty-two million, seven hundred seventy-two thousand, two hundred twenty-three".