22201205 has 8 divisors (see below), whose sum is σ = 28690872. Its totient is φ = 16394688.

The previous prime is 22201199. The next prime is 22201217. The reversal of 22201205 is 50210222.

It can be written as a sum of positive squares in 4 ways, for example, as 289444 + 21911761 = 538^2 + 4681^2 .

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 22201205 - 2⁴ = 22201189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22201205.

It is a congruent number.

It is an unprimeable number.

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, 170714 + ... + 170843.

It is an arithmetic number, because the mean of its divisors is an integer number (3586359).

Almost surely, 2^22201205 is an apocalyptic number.

It is an amenable number.

22201205 is a deficient number, since it is larger than the sum of its proper divisors (6489667).

22201205 is a wasteful number, since it uses less digits than its factorization.

22201205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341575.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 22201205 is about 4711.8154675242. The cubic root of 22201205 is about 281.0555607515.

Adding to 22201205 its reverse (50210222), we get a palindrome (72411427).

The spelling of 22201205 in words is "twenty-two million, two hundred one thousand, two hundred five".