22316533 has 2 divisors, whose sum is σ = 22316534. Its totient is φ = 22316532.

The previous prime is 22316521. The next prime is 22316537. The reversal of 22316533 is 33561322.

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., 11675889 + 10640644 = 3417^2 + 3262^2 .

It is a cyclic number.

It is not a de Polignac number, because 22316533 - 2⁵ = 22316501 is a prime.

It is a super-3 number, since 3×22316533³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22316498 and 22316507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22316537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11158266 + 11158267.

It is an arithmetic number, because the mean of its divisors is an integer number (11158267).

Almost surely, 2^22316533 is an apocalyptic number.

It is an amenable number.

22316533 is a deficient number, since it is larger than the sum of its proper divisors (1).

22316533 is an equidigital number, since it uses as much as digits as its factorization.

22316533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 25.

The square root of 22316533 is about 4724.0377856237. The cubic root of 22316533 is about 281.5413843986.

Adding to 22316533 its reverse (33561322), we get a palindrome (55877855).

The spelling of 22316533 in words is "twenty-two million, three hundred sixteen thousand, five hundred thirty-three".