442221545122246 has 16 divisors (see below), whose sum is σ = 668402373046320. Its totient is φ = 219420786682240.

The previous prime is 442221545122219. The next prime is 442221545122283. The reversal of 442221545122246 is 642221545122244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442221545122196 and 442221545122205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19234170 + ... + 35417458.

It is an arithmetic number, because the mean of its divisors is an integer number (41775148315395).

Almost surely, 2^{442221545122246} is an apocalyptic number.

442221545122246 is a deficient number, since it is larger than the sum of its proper divisors (226180827924074).

442221545122246 is a wasteful number, since it uses less digits than its factorization.

442221545122246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16287719.

The product of its digits is 2457600, while the sum is 46.

The spelling of 442221545122246 in words is "four hundred forty-two trillion, two hundred twenty-one billion, five hundred forty-five million, one hundred twenty-two thousand, two hundred forty-six".