220002222001 has 4 divisors (see below), whose sum is σ = 227099067904. Its totient is φ = 212905376100.

The previous prime is 220002221897. The next prime is 220002222007. The reversal of 220002222001 is 100222200022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220002222001 - 2²¹ = 220000124849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220002222007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3548422905 + ... + 3548422966.

It is an arithmetic number, because the mean of its divisors is an integer number (56774766976).

Almost surely, 2^220002222001 is an apocalyptic number.

It is an amenable number.

220002222001 is a deficient number, since it is larger than the sum of its proper divisors (7096845903).

220002222001 is an equidigital number, since it uses as much as digits as its factorization.

220002222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7096845902.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 220002222001 its reverse (100222200022), we get a palindrome (320224422023).

The spelling of 220002222001 in words is "two hundred twenty billion, two million, two hundred twenty-two thousand, one".