442221885688308 has 24 divisors (see below), whose sum is σ = 1125655709025120. Its totient is φ = 134006632026720.

The previous prime is 442221885688273. The next prime is 442221885688357. The reversal of 442221885688308 is 803886588122244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1675082900203 + ... + 1675082900466.

It is an arithmetic number, because the mean of its divisors is an integer number (46902321209380).

Almost surely, 2^{442221885688308} is an apocalyptic number.

It is an amenable number.

442221885688308 is an abundant number, since it is smaller than the sum of its proper divisors (683433823336812).

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

442221885688308 is a wasteful number, since it uses less digits than its factorization.

442221885688308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350165800687 (or 3350165800685 counting only the distinct ones).

The product of its (nonzero) digits is 377487360, while the sum is 69.

The spelling of 442221885688308 in words is "four hundred forty-two trillion, two hundred twenty-one billion, eight hundred eighty-five million, six hundred eighty-eight thousand, three hundred eight".