2022220001 has 4 divisors (see below), whose sum is σ = 2027418900. Its totient is φ = 2017021104.

The previous prime is 2022219977. The next prime is 2022220003. The reversal of 2022220001 is 1000222202.

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 1211109601 + 811110400 = 34801^2 + 28480^2 .

It is a cyclic number.

It is not a de Polignac number, because 2022220001 - 2⁶ = 2022219937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2022220003) 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, 2598866 + ... + 2599643.

It is an arithmetic number, because the mean of its divisors is an integer number (506854725).

Almost surely, 2^2022220001 is an apocalyptic number.

It is an amenable number.

2022220001 is a deficient number, since it is larger than the sum of its proper divisors (5198899).

2022220001 is an equidigital number, since it uses as much as digits as its factorization.

2022220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5198898.

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

The square root of 2022220001 is about 44969.1005135749. The cubic root of 2022220001 is about 1264.5697841823.

Adding to 2022220001 its reverse (1000222202), we get a palindrome (3022442203).

The spelling of 2022220001 in words is "two billion, twenty-two million, two hundred twenty thousand, one".