222116422 has 32 divisors (see below), whose sum is σ = 383644800. Its totient is φ = 95385600.

The previous prime is 222116399. The next prime is 222116429. The reversal of 222116422 is 224611222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 222116393 and 222116402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222116429) 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, 288454 + ... + 289222.

It is an arithmetic number, because the mean of its divisors is an integer number (11988900).

Almost surely, 2^222116422 is an apocalyptic number.

222116422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222116422 is a deficient number, since it is larger than the sum of its proper divisors (161528378).

222116422 is a wasteful number, since it uses less digits than its factorization.

222116422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492.

The product of its digits is 768, while the sum is 22.

The square root of 222116422 is about 14903.5707801855. The cubic root of 222116422 is about 605.6107231369.

Adding to 222116422 its reverse (224611222), we get a palindrome (446727644).

The spelling of 222116422 in words is "two hundred twenty-two million, one hundred sixteen thousand, four hundred twenty-two".