22317601 has 2 divisors, whose sum is σ = 22317602. Its totient is φ = 22317600.

The previous prime is 22317599. The next prime is 22317619. The reversal of 22317601 is 10671322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22043025 + 274576 = 4695^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 22317601 - 2¹ = 22317599 is a prime.

It is a super-3 number, since 3×22317601³ (a number of 23 digits) contains 333 as substring.

Together with 22317599, it forms a pair of twin primes.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (22317661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11158800 + 11158801.

It is an arithmetic number, because the mean of its divisors is an integer number (11158801).

Almost surely, 2^22317601 is an apocalyptic number.

It is an amenable number.

22317601 is a deficient number, since it is larger than the sum of its proper divisors (1).

22317601 is an equidigital number, since it uses as much as digits as its factorization.

22317601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 22317601 is about 4724.1508231639. The cubic root of 22317601 is about 281.5458755592.

Adding to 22317601 its reverse (10671322), we get a palindrome (32988923).

The spelling of 22317601 in words is "twenty-two million, three hundred seventeen thousand, six hundred one".