22020002220001 has 4 divisors (see below), whose sum is σ = 22060704627604. Its totient is φ = 21979299812400.

The previous prime is 22020002219879. The next prime is 22020002220059. The reversal of 22020002220001 is 10002220002022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3862168257600 + 18157833962401 = 1965240^2 + 4261201^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020002220001 - 2¹⁵ = 22020002187233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22020002227001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20351202990 + ... + 20351204071.

It is an arithmetic number, because the mean of its divisors is an integer number (5515176156901).

Almost surely, 2^{22020002220001} is an apocalyptic number.

It is an amenable number.

22020002220001 is a deficient number, since it is larger than the sum of its proper divisors (40702407603).

22020002220001 is an equidigital number, since it uses as much as digits as its factorization.

22020002220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40702407602.

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

Adding to 22020002220001 its reverse (10002220002022), we get a palindrome (32022222222023).

The spelling of 22020002220001 in words is "twenty-two trillion, twenty billion, two million, two hundred twenty thousand, one".