22501163 has 2 divisors, whose sum is σ = 22501164. Its totient is φ = 22501162.

The previous prime is 22501151. The next prime is 22501177. The reversal of 22501163 is 36110522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22501163 - 2⁶ = 22501099 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22501463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11250581 + 11250582.

It is an arithmetic number, because the mean of its divisors is an integer number (11250582).

Almost surely, 2^22501163 is an apocalyptic number.

22501163 is a deficient number, since it is larger than the sum of its proper divisors (1).

22501163 is an equidigital number, since it uses as much as digits as its factorization.

22501163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 22501163 is about 4743.5390796324. The cubic root of 22501163 is about 282.3156726912.

Adding to 22501163 its reverse (36110522), we get a palindrome (58611685).

It can be divided in two parts, 22501 and 163, that multiplied together give a palindrome (3667663).

The spelling of 22501163 in words is "twenty-two million, five hundred one thousand, one hundred sixty-three".