22317983 has 2 divisors, whose sum is σ = 22317984. Its totient is φ = 22317982.

The previous prime is 22317943. The next prime is 22318001. The reversal of 22317983 is 38971322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22317983 - 2⁸ = 22317727 is a prime.

It is a super-3 number, since 3×22317983³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22317943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11158991 + 11158992.

It is an arithmetic number, because the mean of its divisors is an integer number (11158992).

Almost surely, 2^22317983 is an apocalyptic number.

22317983 is a deficient number, since it is larger than the sum of its proper divisors (1).

22317983 is an equidigital number, since it uses as much as digits as its factorization.

22317983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 35.

The square root of 22317983 is about 4724.1912535375. The cubic root of 22317983 is about 281.5474819133.

The spelling of 22317983 in words is "twenty-two million, three hundred seventeen thousand, nine hundred eighty-three".