4243223211442 has 8 divisors (see below), whose sum is σ = 6365330520732. Its totient is φ = 2121446371200.

The previous prime is 4243223211421. The next prime is 4243223211523. The reversal of 4243223211442 is 2441123223424.

It can be written as a sum of positive squares in 2 ways, for example, as 4213532130721 + 29691080721 = 2052689^2 + 172311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4243223211398 and 4243223211407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82585159 + ... + 82636522.

Almost surely, 2^{4243223211442} is an apocalyptic number.

4243223211442 is a deficient number, since it is larger than the sum of its proper divisors (2122107309290).

4243223211442 is a wasteful number, since it uses less digits than its factorization.

4243223211442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165234524.

The product of its digits is 73728, while the sum is 34.

Adding to 4243223211442 its reverse (2441123223424), we get a palindrome (6684346434866).

The spelling of 4243223211442 in words is "four trillion, two hundred forty-three billion, two hundred twenty-three million, two hundred eleven thousand, four hundred forty-two".