22333013 has 2 divisors, whose sum is σ = 22333014. Its totient is φ = 22333012.

The previous prime is 22333001. The next prime is 22333027. The reversal of 22333013 is 31033322.

22333013 is nontrivially palindromic in base 2.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19298449 + 3034564 = 4393^2 + 1742^2 .

It is a cyclic number.

It is not a de Polignac number, because 22333013 - 2⁴ = 22332997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22332982 and 22333000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22333033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11166506 + 11166507.

It is an arithmetic number, because the mean of its divisors is an integer number (11166507).

Almost surely, 2^22333013 is an apocalyptic number.

It is an amenable number.

22333013 is a deficient number, since it is larger than the sum of its proper divisors (1).

22333013 is an equidigital number, since it uses as much as digits as its factorization.

22333013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 17.

The square root of 22333013 is about 4725.7817342742. The cubic root of 22333013 is about 281.6106702560.

Adding to 22333013 its reverse (31033322), we get a palindrome (53366335).

The spelling of 22333013 in words is "twenty-two million, three hundred thirty-three thousand, thirteen".