22056717 has 12 divisors (see below), whose sum is σ = 30420096. Its totient is φ = 14200920.

The previous prime is 22056673. The next prime is 22056743. The reversal of 22056717 is 71765022.

It is not a de Polignac number, because 22056717 - 2⁶ = 22056653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22056757) 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 11 ways as a sum of consecutive naturals, for example, 45048 + ... + 45534.

It is an arithmetic number, because the mean of its divisors is an integer number (2535008).

Almost surely, 2^22056717 is an apocalyptic number.

It is an amenable number.

22056717 is a deficient number, since it is larger than the sum of its proper divisors (8363379).

22056717 is an frugal number, since it uses more digits than its factorization.

22056717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 521 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 22056717 is about 4696.4579206036. The cubic root of 22056717 is about 280.4445192618. Note that the first 3 decimals are identical.

The spelling of 22056717 in words is "twenty-two million, fifty-six thousand, seven hundred seventeen".