22006535717 has 8 divisors (see below), whose sum is σ = 23302696536. Its totient is φ = 20710559232.

The previous prime is 22006535713. The next prime is 22006535731. The reversal of 22006535717 is 71753560022.

It is a Cunningham number, because it is equal to 148346²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 22006535716 = 1^2 + 148346^2 .

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 22006535717 - 2² = 22006535713 is a prime.

It is a super-2 number, since 2×22006535717² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22006535713) 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, 256553 + ... + 331409.

It is an arithmetic number, because the mean of its divisors is an integer number (2912837067).

Almost surely, 2^22006535717 is an apocalyptic number.

It is an amenable number.

22006535717 is a deficient number, since it is larger than the sum of its proper divisors (1296160819).

22006535717 is a wasteful number, since it uses less digits than its factorization.

22006535717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92167.

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 22006535717 in words is "twenty-two billion, six million, five hundred thirty-five thousand, seven hundred seventeen".