222820163 has 8 divisors (see below), whose sum is σ = 237762000. Its totient is φ = 208199808.

The previous prime is 222820153. The next prime is 222820181. The reversal of 222820163 is 361028222.

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 222820163 - 2⁶ = 222820099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222820153) 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, 78938 + ... + 81711.

It is an arithmetic number, because the mean of its divisors is an integer number (29720250).

Almost surely, 2^222820163 is an apocalyptic number.

222820163 is a deficient number, since it is larger than the sum of its proper divisors (14941837).

222820163 is a wasteful number, since it uses less digits than its factorization.

222820163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160741.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 222820163 is about 14927.1619204724. The cubic root of 222820163 is about 606.2496429941.

Adding to 222820163 its reverse (361028222), we get a palindrome (583848385).

The spelling of 222820163 in words is "two hundred twenty-two million, eight hundred twenty thousand, one hundred sixty-three".