442221885688311 has 12 divisors (see below), whose sum is σ = 638766769588792. Its totient is φ = 294813748799856.

The previous prime is 442221885688273. The next prime is 442221885688357. The reversal of 442221885688311 is 113886588122244.

442221885688311 is a `hidden beast` number, since 4 + 4 + 2 + 22 + 18 + 8 + 568 + 8 + 31 + 1 = 666.

It is not a de Polignac number, because 442221885688311 - 2¹⁹ = 442221885164023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442221885683311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66802261 + ... + 73123086.

Almost surely, 2^{442221885688311} is an apocalyptic number.

442221885688311 is a deficient number, since it is larger than the sum of its proper divisors (196544883900481).

442221885688311 is a wasteful number, since it uses less digits than its factorization.

442221885688311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140276510 (or 140276507 counting only the distinct ones).

The product of its digits is 47185920, while the sum is 63.

The spelling of 442221885688311 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 eleven".