22301273 has 2 divisors, whose sum is σ = 22301274. Its totient is φ = 22301272.

The previous prime is 22301239. The next prime is 22301303. The reversal of 22301273 is 37210322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19245769 + 3055504 = 4387^2 + 1748^2 .

It is a cyclic number.

It is not a de Polignac number, because 22301273 - 2¹⁶ = 22235737 is a prime.

It is not a weakly prime, because it can be changed into another prime (22301473) 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, 11150636 + 11150637.

It is an arithmetic number, because the mean of its divisors is an integer number (11150637).

Almost surely, 2^22301273 is an apocalyptic number.

It is an amenable number.

22301273 is a deficient number, since it is larger than the sum of its proper divisors (1).

22301273 is an equidigital number, since it uses as much as digits as its factorization.

22301273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 22301273 is about 4722.4223656933. The cubic root of 22301273 is about 281.4771972902.

Adding to 22301273 its reverse (37210322), we get a palindrome (59511595).

The spelling of 22301273 in words is "twenty-two million, three hundred one thousand, two hundred seventy-three".