22160641 has 4 divisors (see below), whose sum is σ = 22632192. Its totient is φ = 21689092.

The previous prime is 22160597. The next prime is 22160647. The reversal of 22160641 is 14606122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14606122 = 2 ⋅7303061.

It is a cyclic number.

It is not a de Polignac number, because 22160641 - 2⁷ = 22160513 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 3 ways as a sum of consecutive naturals, for example, 235705 + ... + 235798.

It is an arithmetic number, because the mean of its divisors is an integer number (5658048).

Almost surely, 2^22160641 is an apocalyptic number.

It is an amenable number.

22160641 is a deficient number, since it is larger than the sum of its proper divisors (471551).

22160641 is an equidigital number, since it uses as much as digits as its factorization.

22160641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471550.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22160641 is about 4707.5090015846. The cubic root of 22160641 is about 280.8842834374.

Adding to 22160641 its reverse (14606122), we get a palindrome (36766763).

It can be divided in two parts, 22160 and 641, that added together give a square (22801 = 151²).

The spelling of 22160641 in words is "twenty-two million, one hundred sixty thousand, six hundred forty-one".