22160471 has 2 divisors, whose sum is σ = 22160472. Its totient is φ = 22160470.

The previous prime is 22160429. The next prime is 22160473. The reversal of 22160471 is 17406122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22160471 - 2⁶ = 22160407 is a prime.

It is a super-3 number, since 3×22160471³ (a number of 23 digits) contains 333 as substring.

Together with 22160473, 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 (22160473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11080235 + 11080236.

It is an arithmetic number, because the mean of its divisors is an integer number (11080236).

Almost surely, 2^22160471 is an apocalyptic number.

22160471 is a deficient number, since it is larger than the sum of its proper divisors (1).

22160471 is an equidigital number, since it uses as much as digits as its factorization.

22160471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 22160471 is about 4707.4909452913. The cubic root of 22160471 is about 280.8835651903.

Adding to 22160471 its reverse (17406122), we get a palindrome (39566593).

The spelling of 22160471 in words is "twenty-two million, one hundred sixty thousand, four hundred seventy-one".