4004220020022 has 80 divisors (see below), whose sum is σ = 9062606128752. Its totient is φ = 1321387499520.

The previous prime is 4004220019997. The next prime is 4004220020069. The reversal of 4004220020022 is 2200200224004.

4004220020022 is a `hidden beast` number, since 40 + 0 + 422 + 0 + 0 + 200 + 2 + 2 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 4004220019977 and 4004220020004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6491322 + ... + 7081362.

Almost surely, 2^{4004220020022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4004220020022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4531303064376).

4004220020022 is an abundant number, since it is smaller than the sum of its proper divisors (5058386108730).

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

4004220020022 is a wasteful number, since it uses less digits than its factorization.

4004220020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590475 (or 590466 counting only the distinct ones).

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

Adding to 4004220020022 its reverse (2200200224004), we get a palindrome (6204420244026).

The spelling of 4004220020022 in words is "four trillion, four billion, two hundred twenty million, twenty thousand, twenty-two".