42242212220444 has 24 divisors (see below), whose sum is σ = 77245237923840. Its totient is φ = 20174698651184.

The previous prime is 42242212220443. The next prime is 42242212220459. The reversal of 42242212220444 is 44402221224224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42242212220443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319234604 + ... + 319366899.

It is an arithmetic number, because the mean of its divisors is an integer number (3218551580160).

Almost surely, 2^{42242212220444} is an apocalyptic number.

It is an amenable number.

42242212220444 is a deficient number, since it is larger than the sum of its proper divisors (35003025703396).

42242212220444 is a wasteful number, since it uses less digits than its factorization.

42242212220444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638602249 (or 638602247 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 35.

Adding to 42242212220444 its reverse (44402221224224), we get a palindrome (86644433444668).

The spelling of 42242212220444 in words is "forty-two trillion, two hundred forty-two billion, two hundred twelve million, two hundred twenty thousand, four hundred forty-four".