442287386155222 has 8 divisors (see below), whose sum is σ = 663460860288096. Its totient is φ = 221133766059192.

The previous prime is 442287386155217. The next prime is 442287386155253. The reversal of 442287386155222 is 222551683782244.

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

It is a super-2 number, since 2×442287386155222² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4963453518 + ... + 4963542625.

It is an arithmetic number, because the mean of its divisors is an integer number (82932607536012).

Almost surely, 2^{442287386155222} is an apocalyptic number.

442287386155222 is a deficient number, since it is larger than the sum of its proper divisors (221173474132874).

442287386155222 is a wasteful number, since it uses less digits than its factorization.

442287386155222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9927018422.

The product of its digits is 103219200, while the sum is 61.

The spelling of 442287386155222 in words is "four hundred forty-two trillion, two hundred eighty-seven billion, three hundred eighty-six million, one hundred fifty-five thousand, two hundred twenty-two".