22620163 has 4 divisors (see below), whose sum is σ = 22792968. Its totient is φ = 22447360.

The previous prime is 22620161. The next prime is 22620167. The reversal of 22620163 is 36102622.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22620163 - 2¹ = 22620161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22620161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86206 + ... + 86467.

It is an arithmetic number, because the mean of its divisors is an integer number (5698242).

Almost surely, 2^22620163 is an apocalyptic number.

22620163 is a deficient number, since it is larger than the sum of its proper divisors (172805).

22620163 is a wasteful number, since it uses less digits than its factorization.

22620163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172804.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 22620163 is about 4756.0659162800. The cubic root of 22620163 is about 282.8124842526.

Adding to 22620163 its reverse (36102622), we get a palindrome (58722785).

The spelling of 22620163 in words is "twenty-two million, six hundred twenty thousand, one hundred sixty-three".