222424101 has 24 divisors (see below), whose sum is σ = 332527104. Its totient is φ = 143117280.

The previous prime is 222424087. The next prime is 222424151. The reversal of 222424101 is 101424222.

It is not a de Polignac number, because 222424101 - 2⁹ = 222423589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222424151) 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 23 ways as a sum of consecutive naturals, for example, 135055 + ... + 136691.

It is an arithmetic number, because the mean of its divisors is an integer number (13855296).

Almost surely, 2^222424101 is an apocalyptic number.

It is an amenable number.

222424101 is a deficient number, since it is larger than the sum of its proper divisors (110103003).

222424101 is a wasteful number, since it uses less digits than its factorization.

222424101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161 (or 2158 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 222424101 is about 14913.8895329153. The cubic root of 222424101 is about 605.8902278050.

Adding to 222424101 its reverse (101424222), we get a palindrome (323848323).

The spelling of 222424101 in words is "two hundred twenty-two million, four hundred twenty-four thousand, one hundred one".