22271061 has 8 divisors (see below), whose sum is σ = 30985920. Its totient is φ = 14201792.

The previous prime is 22271027. The next prime is 22271083. The reversal of 22271061 is 16017222.

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

It is a cyclic number.

It is not a de Polignac number, because 22271061 - 2⁷ = 22270933 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22271761) 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 in 7 ways as a sum of consecutive naturals, for example, 161316 + ... + 161453.

It is an arithmetic number, because the mean of its divisors is an integer number (3873240).

Almost surely, 2^22271061 is an apocalyptic number.

It is an amenable number.

22271061 is a deficient number, since it is larger than the sum of its proper divisors (8714859).

22271061 is a wasteful number, since it uses less digits than its factorization.

22271061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322795.

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

The square root of 22271061 is about 4719.2224995226. Note that the first 3 decimals coincide. The cubic root of 22271061 is about 281.3500321704.

Adding to 22271061 its reverse (16017222), we get a palindrome (38288283).

The spelling of 22271061 in words is "twenty-two million, two hundred seventy-one thousand, sixty-one".