222116155 has 8 divisors (see below), whose sum is σ = 266621472. Its totient is φ = 177638208.

The previous prime is 222116131. The next prime is 222116159. The reversal of 222116155 is 551611222.

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 222116155 - 2¹⁷ = 221985083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222116159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22327 + ... + 30703.

It is an arithmetic number, because the mean of its divisors is an integer number (33327684).

Almost surely, 2^222116155 is an apocalyptic number.

222116155 is a deficient number, since it is larger than the sum of its proper divisors (44505317).

222116155 is an equidigital number, since it uses as much as digits as its factorization.

222116155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13685.

The product of its digits is 1200, while the sum is 25.

The square root of 222116155 is about 14903.5618225980. The cubic root of 222116155 is about 605.6104804741.

Adding to 222116155 its reverse (551611222), we get a palindrome (773727377).

The spelling of 222116155 in words is "two hundred twenty-two million, one hundred sixteen thousand, one hundred fifty-five".