222116160 has 112 divisors (see below), whose sum is σ = 805988736. Its totient is φ = 50767872.

The previous prime is 222116159. The next prime is 222116161. The reversal of 222116160 is 61611222.

It is an interprime number because it is at equal distance from previous prime (222116159) and next prime (222116161).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222116161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9807 + ... + 23246.

It is an arithmetic number, because the mean of its divisors is an integer number (7196328).

Almost surely, 2^222116160 is an apocalyptic number.

222116160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222116160 is an abundant number, since it is smaller than the sum of its proper divisors (583872576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222116160 is a wasteful number, since it uses less digits than its factorization.

222116160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33080 (or 33070 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 222116160 is about 14903.5619903431. The cubic root of 222116160 is about 605.6104850184.

Adding to 222116160 its reverse (61611222), we get a palindrome (283727382).

It can be divided in two parts, 2221 and 16160, that added together give a palindrome (18381).

The spelling of 222116160 in words is "two hundred twenty-two million, one hundred sixteen thousand, one hundred sixty".