222742331617 has 8 divisors (see below), whose sum is σ = 240250588200. Its totient is φ = 205287536640.

The previous prime is 222742331611. The next prime is 222742331681. The reversal of 222742331617 is 716133247222.

222742331617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 84866759761 + 137875571856 = 291319^2 + 371316^2 .

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 222742331617 - 2³¹ = 220594847969 is a prime.

It is a super-2 number, since 2×222742331617² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222742331617.

It is not an unprimeable number, because it can be changed into a prime (222742331611) 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, 13356742 + ... + 13373407.

It is an arithmetic number, because the mean of its divisors is an integer number (30031323525).

Almost surely, 2^222742331617 is an apocalyptic number.

It is an amenable number.

222742331617 is a deficient number, since it is larger than the sum of its proper divisors (17508256583).

222742331617 is a wasteful number, since it uses less digits than its factorization.

222742331617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26730803.

The product of its digits is 169344, while the sum is 40.

Adding to 222742331617 its reverse (716133247222), we get a palindrome (938875578839).

The spelling of 222742331617 in words is "two hundred twenty-two billion, seven hundred forty-two million, three hundred thirty-one thousand, six hundred seventeen".