2002222220004 has 72 divisors (see below), whose sum is σ = 5144940152352. Its totient is φ = 656451344640.

The previous prime is 2002222219997. The next prime is 2002222220021. The reversal of 2002222220004 is 4000222222002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 1345674 + ... + 2411489.

It is an arithmetic number, because the mean of its divisors is an integer number (71457502116).

Almost surely, 2^{2002222220004} is an apocalyptic number.

It is an amenable number.

2002222220004 is an abundant number, since it is smaller than the sum of its proper divisors (3142717932348).

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

2002222220004 is a wasteful number, since it uses less digits than its factorization.

2002222220004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757417 (or 3757412 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 2002222220004 its reverse (4000222222002), we get a palindrome (6002444442006).

The spelling of 2002222220004 in words is "two trillion, two billion, two hundred twenty-two million, two hundred twenty thousand, four".