22365161 has 8 divisors (see below), whose sum is σ = 27526464. Its totient is φ = 17695440.

The previous prime is 22365151. The next prime is 22365163. The reversal of 22365161 is 16156322.

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

It is not a de Polignac number, because 22365161 - 2¹⁰ = 22364137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22365161.

It is not an unprimeable number, because it can be changed into a prime (22365163) 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, 122795 + ... + 122976.

It is an arithmetic number, because the mean of its divisors is an integer number (3440808).

Almost surely, 2^22365161 is an apocalyptic number.

It is an amenable number.

22365161 is a deficient number, since it is larger than the sum of its proper divisors (5161303).

22365161 is a wasteful number, since it uses less digits than its factorization.

22365161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245791.

The product of its digits is 2160, while the sum is 26.

The square root of 22365161 is about 4729.1818531327. The cubic root of 22365161 is about 281.7457300934.

The spelling of 22365161 in words is "twenty-two million, three hundred sixty-five thousand, one hundred sixty-one".