2002220444444 has 24 divisors (see below), whose sum is σ = 3822493813488. Its totient is φ = 910082829440.

The previous prime is 2002220444437. The next prime is 2002220444459. The reversal of 2002220444444 is 4444440222002.

It is a self number, because there is not a number n which added to its sum of digits gives 2002220444444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2057552 + ... + 2870184.

It is an arithmetic number, because the mean of its divisors is an integer number (159270575562).

Almost surely, 2^{2002220444444} is an apocalyptic number.

It is an amenable number.

2002220444444 is a deficient number, since it is larger than the sum of its proper divisors (1820273369044).

2002220444444 is a wasteful number, since it uses less digits than its factorization.

2002220444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868645 (or 868643 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 2002220444444 its reverse (4444440222002), we get a palindrome (6446660666446).

The spelling of 2002220444444 in words is "two trillion, two billion, two hundred twenty million, four hundred forty-four thousand, four hundred forty-four".