22449841 has 2 divisors, whose sum is σ = 22449842. Its totient is φ = 22449840.

The previous prime is 22449829. The next prime is 22449851. The reversal of 22449841 is 14894422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15374241 + 7075600 = 3921^2 + 2660^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22449841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22449797 and 22449806.

It is not a weakly prime, because it can be changed into another prime (22449851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11224920 + 11224921.

It is an arithmetic number, because the mean of its divisors is an integer number (11224921).

Almost surely, 2^22449841 is an apocalyptic number.

It is an amenable number.

22449841 is a deficient number, since it is larger than the sum of its proper divisors (1).

22449841 is an equidigital number, since it uses as much as digits as its factorization.

22449841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 34.

The square root of 22449841 is about 4738.1263174381. The cubic root of 22449841 is about 282.1008684648.

The spelling of 22449841 in words is "twenty-two million, four hundred forty-nine thousand, eight hundred forty-one".