22301473 has 2 divisors, whose sum is σ = 22301474. Its totient is φ = 22301472.

The previous prime is 22301471. The next prime is 22301483. The reversal of 22301473 is 37410322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18045504 + 4255969 = 4248^2 + 2063^2 .

It is a cyclic number.

It is not a de Polignac number, because 22301473 - 2¹ = 22301471 is a prime.

Together with 22301471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22301471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11150736 + 11150737.

It is an arithmetic number, because the mean of its divisors is an integer number (11150737).

Almost surely, 2^22301473 is an apocalyptic number.

It is an amenable number.

22301473 is a deficient number, since it is larger than the sum of its proper divisors (1).

22301473 is an equidigital number, since it uses as much as digits as its factorization.

22301473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 22301473 is about 4722.4435412189. The cubic root of 22301473 is about 281.4780387260.

Adding to 22301473 its reverse (37410322), we get a palindrome (59711795).

The spelling of 22301473 in words is "twenty-two million, three hundred one thousand, four hundred seventy-three".