23221301 has 2 divisors, whose sum is σ = 23221302. Its totient is φ = 23221300.

The previous prime is 23221291. The next prime is 23221307. The reversal of 23221301 is 10312232.

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., 19802500 + 3418801 = 4450^2 + 1849^2 .

It is a cyclic number.

It is not a de Polignac number, because 23221301 - 2¹⁰ = 23220277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23221307) 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, 11610650 + 11610651.

It is an arithmetic number, because the mean of its divisors is an integer number (11610651).

Almost surely, 2^23221301 is an apocalyptic number.

It is an amenable number.

23221301 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221301 is an equidigital number, since it uses as much as digits as its factorization.

23221301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 23221301 is about 4818.8485139087. The cubic root of 23221301 is about 285.2958905010.

Adding to 23221301 its reverse (10312232), we get a palindrome (33533533).

The spelling of 23221301 in words is "twenty-three million, two hundred twenty-one thousand, three hundred one".