222000161005 has 16 divisors (see below), whose sum is σ = 308125528704. Its totient is φ = 150394599360.

The previous prime is 222000161003. The next prime is 222000161011. The reversal of 222000161005 is 500161000222.

It is not a de Polignac number, because 222000161005 - 2¹ = 222000161003 is a prime.

It is a super-2 number, since 2×222000161005² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000161003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38207106 + ... + 38212915.

It is an arithmetic number, because the mean of its divisors is an integer number (19257845544).

Almost surely, 2^222000161005 is an apocalyptic number.

It is an amenable number.

222000161005 is a deficient number, since it is larger than the sum of its proper divisors (86125367699).

222000161005 is an equidigital number, since it uses as much as digits as its factorization.

222000161005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76420116.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 222000161005 its reverse (500161000222), we get a palindrome (722161161227).

The spelling of 222000161005 in words is "two hundred twenty-two billion, one hundred sixty-one thousand, five".