222011662106 has 24 divisors (see below), whose sum is σ = 360681359004. Its totient is φ = 102445150080.

The previous prime is 222011662079. The next prime is 222011662111. The reversal of 222011662106 is 601266110222.

It can be written as a sum of positive squares in 6 ways, for example, as 2762028025 + 219249634081 = 52555^2 + 468241^2 .

It is a super-2 number, since 2×222011662106² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1581086 + ... + 1715766.

Almost surely, 2^222011662106 is an apocalyptic number.

222011662106 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

222011662106 is a deficient number, since it is larger than the sum of its proper divisors (138669696898).

222011662106 is a wasteful number, since it uses less digits than its factorization.

222011662106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139586 (or 139573 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 222011662106 its reverse (601266110222), we get a palindrome (823277772328).

The spelling of 222011662106 in words is "two hundred twenty-two billion, eleven million, six hundred sixty-two thousand, one hundred six".