22271701 has 2 divisors, whose sum is σ = 22271702. Its totient is φ = 22271700.

The previous prime is 22271699. The next prime is 22271707. The reversal of 22271701 is 10717222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21169201 + 1102500 = 4601^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 22271701 - 2¹ = 22271699 is a prime.

Together with 22271699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22271707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11135850 + 11135851.

It is an arithmetic number, because the mean of its divisors is an integer number (11135851).

Almost surely, 2^22271701 is an apocalyptic number.

It is an amenable number.

22271701 is a deficient number, since it is larger than the sum of its proper divisors (1).

22271701 is an equidigital number, since it uses as much as digits as its factorization.

22271701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 22271701 is about 4719.2903068152. The cubic root of 22271701 is about 281.3527271819.

Adding to 22271701 its reverse (10717222), we get a palindrome (32988923).

The spelling of 22271701 in words is "twenty-two million, two hundred seventy-one thousand, seven hundred one".