444444432222222 has 48 divisors (see below), whose sum is σ = 963733670640000. Its totient is φ = 148029605223696.

The previous prime is 444444432222169. The next prime is 444444432222239. The reversal of 444444432222222 is 222222234444444.

444444432222222 is a `hidden beast` number, since 4 + 4 + 4 + 44 + 44 + 322 + 22 + 222 = 666.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148518513 + ... + 151481475.

It is an arithmetic number, because the mean of its divisors is an integer number (20077784805000).

Almost surely, 2^{444444432222222} is an apocalyptic number.

444444432222222 is an abundant number, since it is smaller than the sum of its proper divisors (519289238417778).

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

444444432222222 is a wasteful number, since it uses less digits than its factorization.

444444432222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2969637 (or 2969634 counting only the distinct ones).

The product of its digits is 6291456, while the sum is 45.

Adding to 444444432222222 its reverse (222222234444444), we get a palindrome (666666666666666).

The spelling of 444444432222222 in words is "four hundred forty-four trillion, four hundred forty-four billion, four hundred thirty-two million, two hundred twenty-two thousand, two hundred twenty-two".