4021422134220 has 72 divisors (see below), whose sum is σ = 12398286198480. Its totient is φ = 1054799245440.

The previous prime is 4021422134209. The next prime is 4021422134227. The reversal of 4021422134220 is 224312241204.

It is a happy number.

4021422134220 is a `hidden beast` number, since 4 + 0 + 2 + 1 + 422 + 13 + 4 + 220 = 666.

It is not an unprimeable number, because it can be changed into a prime (4021422134227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183113890 + ... + 183135849.

Almost surely, 2^{4021422134220} is an apocalyptic number.

It is an amenable number.

4021422134220 is an abundant number, since it is smaller than the sum of its proper divisors (8376864064260).

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

4021422134220 is a wasteful number, since it uses less digits than its factorization.

4021422134220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366249815 (or 366249810 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 4021422134220 its reverse (224312241204), we get a palindrome (4245734375424).

The spelling of 4021422134220 in words is "four trillion, twenty-one billion, four hundred twenty-two million, one hundred thirty-four thousand, two hundred twenty".