22143301 has 2 divisors, whose sum is σ = 22143302. Its totient is φ = 22143300.

The previous prime is 22143293. The next prime is 22143307. The reversal of 22143301 is 10334122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21846276 + 297025 = 4674^2 + 545^2 .

It is a cyclic number.

It is not a de Polignac number, because 22143301 - 2³ = 22143293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22143307) 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, 11071650 + 11071651.

It is an arithmetic number, because the mean of its divisors is an integer number (11071651).

Almost surely, 2^22143301 is an apocalyptic number.

It is an amenable number.

22143301 is a deficient number, since it is larger than the sum of its proper divisors (1).

22143301 is an equidigital number, since it uses as much as digits as its factorization.

22143301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 22143301 is about 4705.6669027886. Note that the first 3 decimals coincide. The cubic root of 22143301 is about 280.8110033012.

Adding to 22143301 its reverse (10334122), we get a palindrome (32477423).

The spelling of 22143301 in words is "twenty-two million, one hundred forty-three thousand, three hundred one".