23221411 has 2 divisors, whose sum is σ = 23221412. Its totient is φ = 23221410.

The previous prime is 23221391. The next prime is 23221417. The reversal of 23221411 is 11412232.

23221411 is nontrivially palindromic in base 12.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23221411 - 2⁵ = 23221379 is a prime.

It is not a weakly prime, because it can be changed into another prime (23221417) 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, 11610705 + 11610706.

It is an arithmetic number, because the mean of its divisors is an integer number (11610706).

Almost surely, 2^23221411 is an apocalyptic number.

23221411 is a deficient number, since it is larger than the sum of its proper divisors (1).

23221411 is an equidigital number, since it uses as much as digits as its factorization.

23221411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 16.

The square root of 23221411 is about 4818.8599274102. The cubic root of 23221411 is about 285.2963409853.

Adding to 23221411 its reverse (11412232), we get a palindrome (34633643).

It can be divided in two parts, 23221 and 411, that added together give a palindrome (23632).

The spelling of 23221411 in words is "twenty-three million, two hundred twenty-one thousand, four hundred eleven".