442221545122244 has 12 divisors (see below), whose sum is σ = 773914925933100. Its totient is φ = 221102994855648.

The previous prime is 442221545122219. The next prime is 442221545122283.

442221545122244 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 163540923809344 + 278680621312900 = 12788312^2 + 16693730^2 .

It is a super-2 number, since 2×442221545122244² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442221545122195 and 442221545122204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1944298439 + ... + 1944525870.

It is an arithmetic number, because the mean of its divisors is an integer number (64492910494425).

Almost surely, 2^{442221545122244} is an apocalyptic number.

It is an amenable number.

442221545122244 is a deficient number, since it is larger than the sum of its proper divisors (331693380810856).

442221545122244 is a wasteful number, since it uses less digits than its factorization.

442221545122244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888852742 (or 3888852740 counting only the distinct ones).

The product of its digits is 1638400, while the sum is 44.

The spelling of 442221545122244 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-four".