22061271 has 8 divisors (see below), whose sum is σ = 29436784. Its totient is φ = 14696640.

The previous prime is 22061269. The next prime is 22061293. The reversal of 22061271 is 17216022.

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

It is not a de Polignac number, because 22061271 - 2¹ = 22061269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22061671) 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 in 7 ways as a sum of consecutive naturals, for example, 6105 + ... + 9021.

It is an arithmetic number, because the mean of its divisors is an integer number (3679598).

Almost surely, 2^22061271 is an apocalyptic number.

22061271 is a deficient number, since it is larger than the sum of its proper divisors (7375513).

22061271 is a wasteful number, since it uses less digits than its factorization.

22061271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5441.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 22061271 is about 4696.9427290526. The cubic root of 22061271 is about 280.4638188468.

Adding to 22061271 its reverse (17216022), we get a palindrome (39277293).

The spelling of 22061271 in words is "twenty-two million, sixty-one thousand, two hundred seventy-one".