22210001 has 8 divisors (see below), whose sum is σ = 24470208. Its totient is φ = 19990000.

The previous prime is 22209997. The next prime is 22210033. The reversal of 22210001 is 10001222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22210001 - 2² = 22209997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22210051) 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 7 ways as a sum of consecutive naturals, for example, 8885 + ... + 11106.

It is an arithmetic number, because the mean of its divisors is an integer number (3058776).

Almost surely, 2^22210001 is an apocalyptic number.

It is an amenable number.

22210001 is a deficient number, since it is larger than the sum of its proper divisors (2260207).

22210001 is a wasteful number, since it uses less digits than its factorization.

22210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20103.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 22210001 is about 4712.7487732745. The cubic root of 22210001 is about 281.0926734262.

Adding to 22210001 its reverse (10001222), we get a palindrome (32211223).

It can be divided in two parts, 222 and 10001, that multiplied together give a palindrome (2220222).

The spelling of 22210001 in words is "twenty-two million, two hundred ten thousand, one".