22085471 has 8 divisors (see below), whose sum is σ = 22714560. Its totient is φ = 21464352.

The previous prime is 22085419. The next prime is 22085489. The reversal of 22085471 is 17458022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22085471 is a prime.

It is a super-3 number, since 3×22085471³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22085171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3866 + ... + 7688.

It is an arithmetic number, because the mean of its divisors is an integer number (2839320).

Almost surely, 2^22085471 is an apocalyptic number.

22085471 is a deficient number, since it is larger than the sum of its proper divisors (629089).

22085471 is a wasteful number, since it uses less digits than its factorization.

22085471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3985.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 22085471 is about 4699.5181667911. The cubic root of 22085471 is about 280.5663324960.

The spelling of 22085471 in words is "twenty-two million, eighty-five thousand, four hundred seventy-one".