222444042 has 16 divisors (see below), whose sum is σ = 452429280. Its totient is φ = 72891152.

The previous prime is 222444011. The next prime is 222444043. The reversal of 222444042 is 240444222.

It is not an unprimeable number, because it can be changed into a prime (222444043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313833 + ... + 314540.

It is an arithmetic number, because the mean of its divisors is an integer number (28276830).

Almost surely, 2^222444042 is an apocalyptic number.

222444042 is an abundant number, since it is smaller than the sum of its proper divisors (229985238).

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

222444042 is a wasteful number, since it uses less digits than its factorization.

222444042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628437.

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 222444042 is about 14914.5580558057. The cubic root of 222444042 is about 605.9083339004.

Adding to 222444042 its reverse (240444222), we get a palindrome (462888264).

The spelling of 222444042 in words is "two hundred twenty-two million, four hundred forty-four thousand, forty-two".