22401233213 has 2 divisors, whose sum is σ = 22401233214. Its totient is φ = 22401233212.

The previous prime is 22401233147. The next prime is 22401233219. The reversal of 22401233213 is 31233210422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21804066244 + 597166969 = 147662^2 + 24437^2 .

It is a cyclic number.

It is not a de Polignac number, because 22401233213 - 2⁸ = 22401232957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22401233219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200616606 + 11200616607.

It is an arithmetic number, because the mean of its divisors is an integer number (11200616607).

Almost surely, 2^22401233213 is an apocalyptic number.

It is an amenable number.

22401233213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22401233213 is an equidigital number, since it uses as much as digits as its factorization.

22401233213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22401233213 its reverse (31233210422), we get a palindrome (53634443635).

The spelling of 22401233213 in words is "twenty-two billion, four hundred one million, two hundred thirty-three thousand, two hundred thirteen".