222217161005 has 16 divisors (see below), whose sum is σ = 304770242304. Its totient is φ = 152369842560.

The previous prime is 222217160987. The next prime is 222217161013. The reversal of 222217161005 is 500161712222.

It is a happy number.

It is not a de Polignac number, because 222217161005 - 2⁶ = 222217160941 is a prime.

It is a super-3 number, since 3×222217161005³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599945 + ... + 896865.

It is an arithmetic number, because the mean of its divisors is an integer number (19048140144).

Almost surely, 2^222217161005 is an apocalyptic number.

It is an amenable number.

222217161005 is a deficient number, since it is larger than the sum of its proper divisors (82553081299).

222217161005 is a wasteful number, since it uses less digits than its factorization.

222217161005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318316.

The product of its (nonzero) digits is 3360, while the sum is 29.

Adding to 222217161005 its reverse (500161712222), we get a palindrome (722378873227).

The spelling of 222217161005 in words is "two hundred twenty-two billion, two hundred seventeen million, one hundred sixty-one thousand, five".