4224421240442 has 8 divisors (see below), whose sum is σ = 6824065080756. Its totient is φ = 1949732880192.

The previous prime is 4224421240387. The next prime is 4224421240477. The reversal of 4224421240442 is 2440421244224.

It can be written as a sum of positive squares in 2 ways, for example, as 2951520564001 + 1272900676441 = 1717999^2 + 1128229^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81238869983 + ... + 81238870034.

Almost surely, 2^{4224421240442} is an apocalyptic number.

4224421240442 is a deficient number, since it is larger than the sum of its proper divisors (2599643840314).

4224421240442 is a wasteful number, since it uses less digits than its factorization.

4224421240442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162477740032.

The product of its (nonzero) digits is 131072, while the sum is 35.

Adding to 4224421240442 its reverse (2440421244224), we get a palindrome (6664842484666).

The spelling of 4224421240442 in words is "four trillion, two hundred twenty-four billion, four hundred twenty-one million, two hundred forty thousand, four hundred forty-two".