4221401240022 has 16 divisors (see below), whose sum is σ = 8670986331312. Its totient is φ = 1369103104800.

The previous prime is 4221401239997. The next prime is 4221401240033. The reversal of 4221401240022 is 2200421041224.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4221401239974 and 4221401240001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9507660229 + ... + 9507660672.

It is an arithmetic number, because the mean of its divisors is an integer number (541936645707).

Almost surely, 2^{4221401240022} is an apocalyptic number.

4221401240022 is an abundant number, since it is smaller than the sum of its proper divisors (4449585091290).

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

4221401240022 is a wasteful number, since it uses less digits than its factorization.

4221401240022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19015320943.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 4221401240022 its reverse (2200421041224), we get a palindrome (6421822281246).

The spelling of 4221401240022 in words is "four trillion, two hundred twenty-one billion, four hundred one million, two hundred forty thousand, twenty-two".