442022231444 has 24 divisors (see below), whose sum is σ = 826695797760. Its totient is φ = 206066435456.

The previous prime is 442022231423. The next prime is 442022231501. The reversal of 442022231444 is 444132220244.

It is a self number, because there is not a number n which added to its sum of digits gives 442022231444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30368084 + ... + 30382635.

It is an arithmetic number, because the mean of its divisors is an integer number (34445658240).

Almost surely, 2^442022231444 is an apocalyptic number.

It is an amenable number.

442022231444 is a deficient number, since it is larger than the sum of its proper divisors (384673566316).

442022231444 is a wasteful number, since it uses less digits than its factorization.

442022231444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60750847 (or 60750845 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 442022231444 its reverse (444132220244), we get a palindrome (886154451688).

The spelling of 442022231444 in words is "four hundred forty-two billion, twenty-two million, two hundred thirty-one thousand, four hundred forty-four".