2222021001 has 32 divisors (see below), whose sum is σ = 3079802880. Its totient is φ = 1424070144.

The previous prime is 2222020993. The next prime is 2222021017. The reversal of 2222021001 is 1001202222.

It is not a de Polignac number, because 2222021001 - 2³ = 2222020993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2222041001) 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 31 ways as a sum of consecutive naturals, for example, 2990236 + ... + 2990978.

It is an arithmetic number, because the mean of its divisors is an integer number (96243840).

Almost surely, 2^2222021001 is an apocalyptic number.

It is an amenable number.

2222021001 is a deficient number, since it is larger than the sum of its proper divisors (857781879).

2222021001 is a wasteful number, since it uses less digits than its factorization.

2222021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2222021001 is about 47138.3177574253. The cubic root of 2222021001 is about 1304.9164914781.

Adding to 2222021001 its reverse (1001202222), we get a palindrome (3223223223).

The spelling of 2222021001 in words is "two billion, two hundred twenty-two million, twenty-one thousand, one".