22422073 has 2 divisors, whose sum is σ = 22422074. Its totient is φ = 22422072.

The previous prime is 22422067. The next prime is 22422089. The reversal of 22422073 is 37022422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19820304 + 2601769 = 4452^2 + 1613^2 .

It is a cyclic number.

It is not a de Polignac number, because 22422073 - 2⁵ = 22422041 is a prime.

It is not a weakly prime, because it can be changed into another prime (22432073) 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, 11211036 + 11211037.

It is an arithmetic number, because the mean of its divisors is an integer number (11211037).

Almost surely, 2^22422073 is an apocalyptic number.

It is an amenable number.

22422073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22422073 is an equidigital number, since it uses as much as digits as its factorization.

22422073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 22422073 is about 4735.1951385344. The cubic root of 22422073 is about 281.9845111624.

Adding to 22422073 its reverse (37022422), we get a palindrome (59444495).

The spelling of 22422073 in words is "twenty-two million, four hundred twenty-two thousand, seventy-three".