4022022413421 has 24 divisors (see below), whose sum is σ = 6014468586360. Its totient is φ = 2586927974400.

The previous prime is 4022022413417. The next prime is 4022022413441. The reversal of 4022022413421 is 1243142202204.

It is a happy number.

4022022413421 is a `hidden beast` number, since 4 + 0 + 2 + 2 + 0 + 224 + 13 + 421 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1365076773225 + 2656945640196 = 1168365^2 + 1630014^2 .

It is not a de Polignac number, because 4022022413421 - 2² = 4022022413417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022022413441) 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, 5487940 + ... + 6177501.

It is an arithmetic number, because the mean of its divisors is an integer number (250602857765).

Almost surely, 2^{4022022413421} is an apocalyptic number.

It is an amenable number.

4022022413421 is a deficient number, since it is larger than the sum of its proper divisors (1992446172939).

4022022413421 is a wasteful number, since it uses less digits than its factorization.

4022022413421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11666797 (or 11666794 counting only the distinct ones).

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

Adding to 4022022413421 its reverse (1243142202204), we get a palindrome (5265164615625).

The spelling of 4022022413421 in words is "four trillion, twenty-two billion, twenty-two million, four hundred thirteen thousand, four hundred twenty-one".