22160804 has 12 divisors (see below), whose sum is σ = 39328128. Its totient is φ = 10924200.

The previous prime is 22160791. The next prime is 22160807. The reversal of 22160804 is 40806122.

It is a super-2 number, since 2×22160804² = 982202467852832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22160804.

It is not an unprimeable number, because it can be changed into a prime (22160807) 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, 38732 + ... + 39299.

It is an arithmetic number, because the mean of its divisors is an integer number (3277344).

Almost surely, 2^22160804 is an apocalyptic number.

It is an amenable number.

22160804 is a deficient number, since it is larger than the sum of its proper divisors (17167324).

22160804 is a wasteful number, since it uses less digits than its factorization.

22160804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78106 (or 78104 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 22160804 is about 4707.5263143184. The cubic root of 22160804 is about 280.8849721062.

Adding to 22160804 its reverse (40806122), we get a palindrome (62966926).

The spelling of 22160804 in words is "twenty-two million, one hundred sixty thousand, eight hundred four".