222051115730 has 8 divisors (see below), whose sum is σ = 399692008332. Its totient is φ = 88820446288.

The previous prime is 222051115717. The next prime is 222051115733. The reversal of 222051115730 is 37511150222.

222051115730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 471223²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 222051115729 + 1 = 471223^2 + 1^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 222051115693 and 222051115702.

It is not an unprimeable number, because it can be changed into a prime (222051115733) 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 3 ways as a sum of consecutive naturals, for example, 11102555777 + ... + 11102555796.

Almost surely, 2^222051115730 is an apocalyptic number.

222051115730 is a deficient number, since it is larger than the sum of its proper divisors (177640892602).

222051115730 is a wasteful number, since it uses less digits than its factorization.

222051115730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22205111580.

The product of its (nonzero) digits is 4200, while the sum is 29.

Adding to 222051115730 its reverse (37511150222), we get a palindrome (259562265952).

The spelling of 222051115730 in words is "two hundred twenty-two billion, fifty-one million, one hundred fifteen thousand, seven hundred thirty".