22182029 has 2 divisors, whose sum is σ = 22182030. Its totient is φ = 22182028.

The previous prime is 22182001. The next prime is 22182049. The reversal of 22182029 is 92028122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17222500 + 4959529 = 4150^2 + 2227^2 .

It is a cyclic number.

It is not a de Polignac number, because 22182029 - 2¹² = 22177933 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22181989 and 22182007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22182049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11091014 + 11091015.

It is an arithmetic number, because the mean of its divisors is an integer number (11091015).

Almost surely, 2^22182029 is an apocalyptic number.

It is an amenable number.

22182029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22182029 is an equidigital number, since it uses as much as digits as its factorization.

22182029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 22182029 is about 4709.7801434887. The cubic root of 22182029 is about 280.9746180896.

The spelling of 22182029 in words is "twenty-two million, one hundred eighty-two thousand, twenty-nine".