22226585917 has 8 divisors (see below), whose sum is σ = 22513491000. Its totient is φ = 21940859904.

The previous prime is 22226585881. The next prime is 22226585929. The reversal of 22226585917 is 71958562222.

It can be written as a sum of positive squares in 4 ways, for example, as 4757412676 + 17469173241 = 68974^2 + 132171^2 .

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

It is not a de Polignac number, because 22226585917 - 2¹⁵ = 22226553149 is a prime.

It is a super-2 number, since 2×22226585917² (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 (22226585987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256792 + ... + 332257.

It is an arithmetic number, because the mean of its divisors is an integer number (2814186375).

Almost surely, 2^22226585917 is an apocalyptic number.

It is an amenable number.

22226585917 is a deficient number, since it is larger than the sum of its proper divisors (286905083).

22226585917 is an equidigital number, since it uses as much as digits as its factorization.

22226585917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589535.

The product of its digits is 1209600, while the sum is 49.

The spelling of 22226585917 in words is "twenty-two billion, two hundred twenty-six million, five hundred eighty-five thousand, nine hundred seventeen".