22022201 has 8 divisors (see below), whose sum is σ = 23218944. Its totient is φ = 20845440.

The previous prime is 22022167. The next prime is 22022213. The reversal of 22022201 is 10222022.

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 22022201 - 2¹⁰ = 22021177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22022261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2705 + ... + 7166.

It is an arithmetic number, because the mean of its divisors is an integer number (2902368).

Almost surely, 2^22022201 is an apocalyptic number.

It is an amenable number.

22022201 is a deficient number, since it is larger than the sum of its proper divisors (1196743).

22022201 is an equidigital number, since it uses as much as digits as its factorization.

22022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9991.

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

The square root of 22022201 is about 4692.7817976122. The cubic root of 22022201 is about 280.2981560374.

Adding to 22022201 its reverse (10222022), we get a palindrome (32244223).

The spelling of 22022201 in words is "twenty-two million, twenty-two thousand, two hundred one".