2222020001 has 4 divisors (see below), whose sum is σ = 2233533252. Its totient is φ = 2210506752.

The previous prime is 2222019979. The next prime is 2222020007. The reversal of 2222020001 is 1000202222.

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 788261776 + 1433758225 = 28076^2 + 37865^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222020001 - 2⁶ = 2222019937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222020007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5756336 + ... + 5756721.

It is an arithmetic number, because the mean of its divisors is an integer number (558383313).

Almost surely, 2^2222020001 is an apocalyptic number.

It is an amenable number.

2222020001 is a deficient number, since it is larger than the sum of its proper divisors (11513251).

2222020001 is a wasteful number, since it uses less digits than its factorization.

2222020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11513250.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2222020001 is about 47138.3071503422. The cubic root of 2222020001 is about 1304.9162957229.

Adding to 2222020001 its reverse (1000202222), we get a palindrome (3222222223).

The spelling of 2222020001 in words is "two billion, two hundred twenty-two million, twenty thousand, one".