1222004042 has 64 divisors (see below), whose sum is σ = 2206310400. Its totient is φ = 507150000.

The previous prime is 1222004027. The next prime is 1222004083. The reversal of 1222004042 is 2404002221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222004042.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4868417 + ... + 4868667.

It is an arithmetic number, because the mean of its divisors is an integer number (34473600).

Almost surely, 2^1222004042 is an apocalyptic number.

1222004042 is a deficient number, since it is larger than the sum of its proper divisors (984306358).

1222004042 is a wasteful number, since it uses less digits than its factorization.

1222004042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1222004042 is about 34957.1743995421. The cubic root of 1222004042 is about 1069.1144861623.

Adding to 1222004042 its reverse (2404002221), we get a palindrome (3626006263).

The spelling of 1222004042 in words is "one billion, two hundred twenty-two million, four thousand, forty-two".