22663313 has 2 divisors, whose sum is σ = 22663314. Its totient is φ = 22663312.

The previous prime is 22663307. The next prime is 22663321. The reversal of 22663313 is 31336622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14500864 + 8162449 = 3808^2 + 2857^2 .

It is a cyclic number.

It is not a de Polignac number, because 22663313 - 2¹⁴ = 22646929 is a prime.

It is a super-2 number, since 2×22663313² = 1027251512271938, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22663373) 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, 11331656 + 11331657.

It is an arithmetic number, because the mean of its divisors is an integer number (11331657).

Almost surely, 2^22663313 is an apocalyptic number.

It is an amenable number.

22663313 is a deficient number, since it is larger than the sum of its proper divisors (1).

22663313 is an equidigital number, since it uses as much as digits as its factorization.

22663313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 26.

The square root of 22663313 is about 4760.6000672184. The cubic root of 22663313 is about 282.9922001288.

Adding to 22663313 its reverse (31336622), we get a palindrome (53999935).

The spelling of 22663313 in words is "twenty-two million, six hundred sixty-three thousand, three hundred thirteen".