22122241 has 2 divisors, whose sum is σ = 22122242. Its totient is φ = 22122240.

The previous prime is 22122223. The next prime is 22122259. The reversal of 22122241 is 14222122.

It is a balanced prime because it is at equal distance from previous prime (22122223) and next prime (22122259).

It can be written as a sum of positive squares in only one way, i.e., 15046641 + 7075600 = 3879^2 + 2660^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122241 - 2¹¹ = 22120193 is a prime.

It is not a weakly prime, because it can be changed into another prime (22122281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061120 + 11061121.

It is an arithmetic number, because the mean of its divisors is an integer number (11061121).

Almost surely, 2^22122241 is an apocalyptic number.

It is an amenable number.

22122241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122241 is an equidigital number, since it uses as much as digits as its factorization.

22122241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128, while the sum is 16.

The square root of 22122241 is about 4703.4286430220. The cubic root of 22122241 is about 280.7219507013.

Adding to 22122241 its reverse (14222122), we get a palindrome (36344363).

The spelling of 22122241 in words is "twenty-two million, one hundred twenty-two thousand, two hundred forty-one".