442401400222 has 8 divisors (see below), whose sum is σ = 663654634272. Its totient is φ = 221183188800.

The previous prime is 442401400157. The next prime is 442401400229. The reversal of 442401400222 is 222004104244.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442401400229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8724054 + ... + 8774617.

It is an arithmetic number, because the mean of its divisors is an integer number (82956829284).

Almost surely, 2^442401400222 is an apocalyptic number.

442401400222 is a deficient number, since it is larger than the sum of its proper divisors (221253234050).

442401400222 is a wasteful number, since it uses less digits than its factorization.

442401400222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17511314.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 442401400222 its reverse (222004104244), we get a palindrome (664405504466).

The spelling of 442401400222 in words is "four hundred forty-two billion, four hundred one million, four hundred thousand, two hundred twenty-two".