442221885688355 has 32 divisors (see below), whose sum is σ = 570699926786880. Its totient is φ = 327749108797440.

The previous prime is 442221885688273. The next prime is 442221885688357. The reversal of 442221885688355 is 553886588122244.

It is not a de Polignac number, because 442221885688355 - 2¹⁰ = 442221885687331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442221885688357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21867860 + ... + 36914049.

It is an arithmetic number, because the mean of its divisors is an integer number (17834372712090).

Almost surely, 2^{442221885688355} is an apocalyptic number.

442221885688355 is a deficient number, since it is larger than the sum of its proper divisors (128478041098525).

442221885688355 is a wasteful number, since it uses less digits than its factorization.

442221885688355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58783319.

The product of its digits is 1179648000, while the sum is 71.

The spelling of 442221885688355 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 fifty-five".