442040200221 has 8 divisors (see below), whose sum is σ = 601927081344. Its totient is φ = 288423392960.

The previous prime is 442040200201. The next prime is 442040200237. The reversal of 442040200221 is 122002040244.

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

It is a cyclic number.

It is not a de Polignac number, because 442040200221 - 2⁹ = 442040199709 is a prime.

It is a super-2 number, since 2×442040200221² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442040200201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1567518300 + ... + 1567518581.

It is an arithmetic number, because the mean of its divisors is an integer number (75240885168).

Almost surely, 2^442040200221 is an apocalyptic number.

It is an amenable number.

442040200221 is a deficient number, since it is larger than the sum of its proper divisors (159886881123).

442040200221 is a wasteful number, since it uses less digits than its factorization.

442040200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3135036931.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 442040200221 its reverse (122002040244), we get a palindrome (564042240465).

The spelling of 442040200221 in words is "four hundred forty-two billion, forty million, two hundred thousand, two hundred twenty-one".