222404042 has 12 divisors (see below), whose sum is σ = 388072530. Its totient is φ = 95315976.

The previous prime is 222404033. The next prime is 222404053. The reversal of 222404042 is 240404222.

222404042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 202521361 + 19882681 = 14231^2 + 4459^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1134617 + ... + 1134812.

Almost surely, 2^222404042 is an apocalyptic number.

222404042 is a deficient number, since it is larger than the sum of its proper divisors (165668488).

222404042 is a wasteful number, since it uses less digits than its factorization.

222404042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269445 (or 2269438 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 222404042 is about 14913.2170238349. The cubic root of 222404042 is about 605.8720134757.

Adding to 222404042 its reverse (240404222), we get a palindrome (462808264).

The spelling of 222404042 in words is "two hundred twenty-two million, four hundred four thousand, forty-two".