4020224221441 has 16 divisors (see below), whose sum is σ = 4238902886400. Its totient is φ = 3806936905408.

The previous prime is 4020224221439. The next prime is 4020224221451. The reversal of 4020224221441 is 1441224220204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4020224221441 - 2¹ = 4020224221439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020224221451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3643200 + ... + 4616638.

It is an arithmetic number, because the mean of its divisors is an integer number (264931430400).

Almost surely, 2^{4020224221441} is an apocalyptic number.

It is an amenable number.

4020224221441 is a deficient number, since it is larger than the sum of its proper divisors (218678664959).

4020224221441 is a wasteful number, since it uses less digits than its factorization.

4020224221441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976208.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 4020224221441 its reverse (1441224220204), we get a palindrome (5461448441645).

The spelling of 4020224221441 in words is "four trillion, twenty billion, two hundred twenty-four million, two hundred twenty-one thousand, four hundred forty-one".