22228301 has 2 divisors, whose sum is σ = 22228302. Its totient is φ = 22228300.

The previous prime is 22228289. The next prime is 22228307. The reversal of 22228301 is 10382222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14638276 + 7590025 = 3826^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 22228301 - 2¹⁰ = 22227277 is a prime.

It is a Chen prime.

It is equal to p_1402661 and since 22228301 and 1402661 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22228307) 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, 11114150 + 11114151.

It is an arithmetic number, because the mean of its divisors is an integer number (11114151).

Almost surely, 2^22228301 is an apocalyptic number.

It is an amenable number.

22228301 is a deficient number, since it is larger than the sum of its proper divisors (1).

22228301 is an equidigital number, since it uses as much as digits as its factorization.

22228301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 22228301 is about 4714.6899155724. The cubic root of 22228301 is about 281.1698546289.

The spelling of 22228301 in words is "twenty-two million, two hundred twenty-eight thousand, three hundred one".