442221545122220 has 48 divisors (see below), whose sum is σ = 938282907733920. Its totient is φ = 175056852486144.

The previous prime is 442221545122219. The next prime is 442221545122283. The reversal of 442221545122220 is 22221545122244.

It is a super-3 number, since 3×442221545122220³ (a number of 45 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36336686 + ... + 46955274.

It is an arithmetic number, because the mean of its divisors is an integer number (19547560577790).

Almost surely, 2^{442221545122220} is an apocalyptic number.

It is an amenable number.

442221545122220 is an abundant number, since it is smaller than the sum of its proper divisors (496061362611700).

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

442221545122220 is a wasteful number, since it uses less digits than its factorization.

442221545122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10640162 (or 10640160 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 38.

The spelling of 442221545122220 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 twenty".