442221320214 has 12 divisors (see below), whose sum is σ = 958146193836. Its totient is φ = 147407106732.

The previous prime is 442221320209. The next prime is 442221320227. The reversal of 442221320214 is 412023122244.

It is a happy number.

442221320214 is a `hidden beast` number, since 4 + 422 + 2 + 1 + 3 + 20 + 214 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12283925544 + ... + 12283925579.

It is an arithmetic number, because the mean of its divisors is an integer number (79845516153).

Almost surely, 2^442221320214 is an apocalyptic number.

442221320214 is an abundant number, since it is smaller than the sum of its proper divisors (515924873622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442221320214 is a wasteful number, since it uses less digits than its factorization.

442221320214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24567851131 (or 24567851128 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 442221320214 its reverse (412023122244), we get a palindrome (854244442458).

The spelling of 442221320214 in words is "four hundred forty-two billion, two hundred twenty-one million, three hundred twenty thousand, two hundred fourteen".