32722189 has 2 divisors, whose sum is σ = 32722190. Its totient is φ = 32722188.

The previous prime is 32722187. The next prime is 32722219. The reversal of 32722189 is 98122723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24502500 + 8219689 = 4950^2 + 2867^2 .

It is a cyclic number.

It is not a de Polignac number, because 32722189 - 2¹ = 32722187 is a prime.

Together with 32722187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32722187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16361094 + 16361095.

It is an arithmetic number, because the mean of its divisors is an integer number (16361095).

Almost surely, 2^32722189 is an apocalyptic number.

It is an amenable number.

32722189 is a deficient number, since it is larger than the sum of its proper divisors (1).

32722189 is an equidigital number, since it uses as much as digits as its factorization.

32722189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 32722189 is about 5720.3311967053. The cubic root of 32722189 is about 319.8508061030.

The spelling of 32722189 in words is "thirty-two million, seven hundred twenty-two thousand, one hundred eighty-nine".