22160643 has 8 divisors (see below), whose sum is σ = 29660928. Its totient is φ = 14717064.

The previous prime is 22160597. The next prime is 22160647. The reversal of 22160643 is 34606122.

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

It is not a de Polignac number, because 22160643 - 2¹⁴ = 22144259 is a prime.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (22160647) 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, 13255 + ... + 14832.

It is an arithmetic number, because the mean of its divisors is an integer number (3707616).

Almost surely, 2^22160643 is an apocalyptic number.

22160643 is a deficient number, since it is larger than the sum of its proper divisors (7500285).

22160643 is a wasteful number, since it uses less digits than its factorization.

22160643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28353.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 22160643 is about 4707.5092140112. The cubic root of 22160643 is about 280.8842918874.

Adding to 22160643 its reverse (34606122), we get a palindrome (56766765).

The spelling of 22160643 in words is "twenty-two million, one hundred sixty thousand, six hundred forty-three".