4021222203401 has 32 divisors (see below), whose sum is σ = 4861122029568. Its totient is φ = 3289480657920.

The previous prime is 4021222203389. The next prime is 4021222203409. The reversal of 4021222203401 is 1043022221204.

It is a cyclic number.

It is not a de Polignac number, because 4021222203401 - 2¹⁸ = 4021221941257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4021222203409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7678325 + ... + 8185298.

It is an arithmetic number, because the mean of its divisors is an integer number (151910063424).

Almost surely, 2^{4021222203401} is an apocalyptic number.

It is an amenable number.

4021222203401 is a deficient number, since it is larger than the sum of its proper divisors (839899826167).

4021222203401 is a wasteful number, since it uses less digits than its factorization.

4021222203401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15863721.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 4021222203401 its reverse (1043022221204), we get a palindrome (5064244424605).

The spelling of 4021222203401 in words is "four trillion, twenty-one billion, two hundred twenty-two million, two hundred three thousand, four hundred one".