442022033210421 has 4 divisors (see below), whose sum is σ = 589362710947232. Its totient is φ = 294681355473612.

The previous prime is 442022033210411. The next prime is 442022033210449. The reversal of 442022033210421 is 124012330220244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 442022033210421 - 2⁹ = 442022033209909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442022033210411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73670338868401 + ... + 73670338868406.

It is an arithmetic number, because the mean of its divisors is an integer number (147340677736808).

Almost surely, 2^{442022033210421} is an apocalyptic number.

It is an amenable number.

442022033210421 is a deficient number, since it is larger than the sum of its proper divisors (147340677736811).

442022033210421 is a wasteful number, since it uses less digits than its factorization.

442022033210421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147340677736810.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 442022033210421 its reverse (124012330220244), we get a palindrome (566034363430665).

The spelling of 442022033210421 in words is "four hundred forty-two trillion, twenty-two billion, thirty-three million, two hundred ten thousand, four hundred twenty-one".