442221400132 has 6 divisors (see below), whose sum is σ = 773887450238. Its totient is φ = 221110700064.

The previous prime is 442221400123. The next prime is 442221400147. The reversal of 442221400132 is 231004122244.

It can be written as a sum of positive squares in only one way, i.e., 412824240196 + 29397159936 = 642514^2 + 171456^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442221400097 and 442221400106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55277675013 + ... + 55277675020.

Almost surely, 2^442221400132 is an apocalyptic number.

It is an amenable number.

442221400132 is a deficient number, since it is larger than the sum of its proper divisors (331666050106).

442221400132 is a wasteful number, since it uses less digits than its factorization.

442221400132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110555350037 (or 110555350035 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 442221400132 its reverse (231004122244), we get a palindrome (673225522376).

The spelling of 442221400132 in words is "four hundred forty-two billion, two hundred twenty-one million, four hundred thousand, one hundred thirty-two".