2222420443201 has 12 divisors (see below), whose sum is σ = 2585315466900. Its totient is φ = 1904894325600.

The previous prime is 2222420443189. The next prime is 2222420443211. The reversal of 2222420443201 is 1023440242222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 989985200400 + 1232435242801 = 994980^2 + 1110151^2 .

It is not a de Polignac number, because 2222420443201 - 2⁷ = 2222420443073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2222420443201.

It is not an unprimeable number, because it can be changed into a prime (2222420443211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2231775 + ... + 3070123.

It is an arithmetic number, because the mean of its divisors is an integer number (215442955575).

Almost surely, 2^{2222420443201} is an apocalyptic number.

It is an amenable number.

2222420443201 is a deficient number, since it is larger than the sum of its proper divisors (362895023699).

2222420443201 is an equidigital number, since it uses as much as digits as its factorization.

2222420443201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892464 (or 892457 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 2222420443201 its reverse (1023440242222), we get a palindrome (3245860685423).

The spelling of 2222420443201 in words is "two trillion, two hundred twenty-two billion, four hundred twenty million, four hundred forty-three thousand, two hundred one".