22246417 has 2 divisors, whose sum is σ = 22246418. Its totient is φ = 22246416.

The previous prime is 22246391. The next prime is 22246457. The reversal of 22246417 is 71464222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21307456 + 938961 = 4616^2 + 969^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22246417 is a prime.

It is not a weakly prime, because it can be changed into another prime (22246457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11123208 + 11123209.

It is an arithmetic number, because the mean of its divisors is an integer number (11123209).

Almost surely, 2^22246417 is an apocalyptic number.

It is an amenable number.

22246417 is a deficient number, since it is larger than the sum of its proper divisors (1).

22246417 is an equidigital number, since it uses as much as digits as its factorization.

22246417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 28.

The square root of 22246417 is about 4716.6107534966. The cubic root of 22246417 is about 281.2462180891.

The spelling of 22246417 in words is "twenty-two million, two hundred forty-six thousand, four hundred seventeen".