4223444203442 has 16 divisors (see below), whose sum is σ = 6398003295000. Its totient is φ = 2090777174400.

The previous prime is 4223444203393. The next prime is 4223444203469. The reversal of 4223444203442 is 2443024443224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3131692976281 + 1091751227161 = 1769659^2 + 1044869^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4223444203396 and 4223444203405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14041484 + ... + 14339112.

Almost surely, 2^{4223444203442} is an apocalyptic number.

4223444203442 is a deficient number, since it is larger than the sum of its proper divisors (2174559091558).

4223444203442 is a wasteful number, since it uses less digits than its factorization.

4223444203442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367981.

The product of its (nonzero) digits is 589824, while the sum is 38.

Adding to 4223444203442 its reverse (2443024443224), we get a palindrome (6666468646666).

The spelling of 4223444203442 in words is "four trillion, two hundred twenty-three billion, four hundred forty-four million, two hundred three thousand, four hundred forty-two".