22001701 has 2 divisors, whose sum is σ = 22001702. Its totient is φ = 22001700.

The previous prime is 22001699. The next prime is 22001713. The reversal of 22001701 is 10710022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18105025 + 3896676 = 4255^2 + 1974^2 .

It is a cyclic number.

It is not a de Polignac number, because 22001701 - 2¹ = 22001699 is a prime.

Together with 22001699, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22001741) 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, 11000850 + 11000851.

It is an arithmetic number, because the mean of its divisors is an integer number (11000851).

Almost surely, 2^22001701 is an apocalyptic number.

It is an amenable number.

22001701 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001701 is an equidigital number, since it uses as much as digits as its factorization.

22001701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 22001701 is about 4690.5970835279. The cubic root of 22001701 is about 280.2111544990.

Adding to 22001701 its reverse (10710022), we get a palindrome (32711723).

The spelling of 22001701 in words is "twenty-two million, one thousand, seven hundred one".