22707073 has 2 divisors, whose sum is σ = 22707074. Its totient is φ = 22707072.

The previous prime is 22707059. The next prime is 22707077. The reversal of 22707073 is 37070722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11370384 + 11336689 = 3372^2 + 3367^2 .

It is a cyclic number.

It is not a de Polignac number, because 22707073 - 2⁹ = 22706561 is a prime.

It is a super-2 number, since 2×22707073² = 1031222328454658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22707077) 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, 11353536 + 11353537.

It is an arithmetic number, because the mean of its divisors is an integer number (11353537).

Almost surely, 2^22707073 is an apocalyptic number.

It is an amenable number.

22707073 is a deficient number, since it is larger than the sum of its proper divisors (1).

22707073 is an equidigital number, since it uses as much as digits as its factorization.

22707073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 22707073 is about 4765.1939100104. The cubic root of 22707073 is about 283.1742237770.

Adding to 22707073 its reverse (37070722), we get a palindrome (59777795).

The spelling of 22707073 in words is "twenty-two million, seven hundred seven thousand, seventy-three".