22030221001 has 16 divisors (see below), whose sum is σ = 23486175504. Its totient is φ = 20592431104.

The previous prime is 22030220987. The next prime is 22030221011. The reversal of 22030221001 is 10012203022.

It can be written as a sum of positive squares in 8 ways, for example, as 9346055625 + 12684165376 = 96675^2 + 112624^2 .

It is a cyclic number.

It is not a de Polignac number, because 22030221001 - 2⁷ = 22030220873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22030221011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1980411 + ... + 1991503.

It is an arithmetic number, because the mean of its divisors is an integer number (1467885969).

Almost surely, 2^22030221001 is an apocalyptic number.

It is an amenable number.

22030221001 is a deficient number, since it is larger than the sum of its proper divisors (1455954503).

22030221001 is a wasteful number, since it uses less digits than its factorization.

22030221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11900.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22030221001 its reverse (10012203022), we get a palindrome (32042424023).

It can be divided in two parts, 2203022 and 1001, that multiplied together give a palindrome (2205225022).

The spelling of 22030221001 in words is "twenty-two billion, thirty million, two hundred twenty-one thousand, one".