22201161 has 8 divisors (see below), whose sum is σ = 29725344. Its totient is φ = 14738880.

The previous prime is 22201159. The next prime is 22201181. The reversal of 22201161 is 16110222.

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

It is not a de Polignac number, because 22201161 - 2¹ = 22201159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22201161.

It is not an unprimeable number, because it can be changed into a prime (22201111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14631 + ... + 16076.

It is an arithmetic number, because the mean of its divisors is an integer number (3715668).

Almost surely, 2^22201161 is an apocalyptic number.

It is an amenable number.

22201161 is a deficient number, since it is larger than the sum of its proper divisors (7524183).

22201161 is a wasteful number, since it uses less digits than its factorization.

22201161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30951.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 22201161 is about 4711.8107984086. The cubic root of 22201161 is about 281.0553750791.

Adding to 22201161 its reverse (16110222), we get a palindrome (38311383).

The spelling of 22201161 in words is "twenty-two million, two hundred one thousand, one hundred sixty-one".