22428041 has 2 divisors, whose sum is σ = 22428042. Its totient is φ = 22428040.

The previous prime is 22428019. The next prime is 22428061. The reversal of 22428041 is 14082422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16687225 + 5740816 = 4085^2 + 2396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22428041 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22427998 and 22428016.

It is not a weakly prime, because it can be changed into another prime (22428001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11214020 + 11214021.

It is an arithmetic number, because the mean of its divisors is an integer number (11214021).

Almost surely, 2^22428041 is an apocalyptic number.

It is an amenable number.

22428041 is a deficient number, since it is larger than the sum of its proper divisors (1).

22428041 is an equidigital number, since it uses as much as digits as its factorization.

22428041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 22428041 is about 4735.8252712700. The cubic root of 22428041 is about 282.0095272002.

The spelling of 22428041 in words is "twenty-two million, four hundred twenty-eight thousand, forty-one".