2220022202004 has 36 divisors (see below), whose sum is σ = 5629425412884. Its totient is φ = 737672988672.

The previous prime is 2220022201997. The next prime is 2220022202011. The reversal of 2220022202004 is 4002022200222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2220022201997) and next prime (2220022202011).

It can be written as a sum of positive squares in 2 ways, for example, as 522598868100 + 1697423333904 = 722910^2 + 1302852^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97255597 + ... + 97278420.

Almost surely, 2^{2220022202004} is an apocalyptic number.

It is an amenable number.

2220022202004 is an abundant number, since it is smaller than the sum of its proper divisors (3409403210880).

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

2220022202004 is a wasteful number, since it uses less digits than its factorization.

2220022202004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194534344 (or 194534339 counting only the distinct ones).

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

Adding to 2220022202004 its reverse (4002022200222), we get a palindrome (6222044402226).

The spelling of 2220022202004 in words is "two trillion, two hundred twenty billion, twenty-two million, two hundred two thousand, four".