222424923 has 32 divisors (see below), whose sum is σ = 359783424. Its totient is φ = 119319552.

The previous prime is 222424921. The next prime is 222424933. The reversal of 222424923 is 329424222.

It is not a de Polignac number, because 222424923 - 2¹ = 222424921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222424921) 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 31 ways as a sum of consecutive naturals, for example, 259111 + ... + 259967.

It is an arithmetic number, because the mean of its divisors is an integer number (11243232).

Almost surely, 2^222424923 is an apocalyptic number.

222424923 is a deficient number, since it is larger than the sum of its proper divisors (137358501).

222424923 is a wasteful number, since it uses less digits than its factorization.

222424923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611.

The product of its digits is 13824, while the sum is 30.

The square root of 222424923 is about 14913.9170910931. The cubic root of 222424923 is about 605.8909741886.

The spelling of 222424923 in words is "two hundred twenty-two million, four hundred twenty-four thousand, nine hundred twenty-three".