20222200222001 has 4 divisors (see below), whose sum is σ = 20261014426404. Its totient is φ = 20183386017600.

The previous prime is 20222200221991. The next prime is 20222200222009. The reversal of 20222200222001 is 10022200222202.

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 2706502071025 + 17515698150976 = 1645145^2 + 4185176^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222200222001 - 2¹⁴ = 20222200205617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20222200222009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19407101420 + ... + 19407102461.

It is an arithmetic number, because the mean of its divisors is an integer number (5065253606601).

Almost surely, 2^{20222200222001} is an apocalyptic number.

It is an amenable number.

20222200222001 is a deficient number, since it is larger than the sum of its proper divisors (38814204403).

20222200222001 is an equidigital number, since it uses as much as digits as its factorization.

20222200222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38814204402.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 20222200222001 its reverse (10022200222202), we get a palindrome (30244400444203).

The spelling of 20222200222001 in words is "twenty trillion, two hundred twenty-two billion, two hundred million, two hundred twenty-two thousand, one".