22160016 has 30 divisors (see below), whose sum is σ = 62017670. Its totient is φ = 7386624.

The previous prime is 22159981. The next prime is 22160041. The reversal of 22160016 is 61006122.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22127616 + 32400 = 4704^2 + 180^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76801 + ... + 77088.

Almost surely, 2^22160016 is an apocalyptic number.

It is an amenable number.

22160016 is an abundant number, since it is smaller than the sum of its proper divisors (39857654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22160016 is a wasteful number, since it uses less digits than its factorization.

22160016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153903 (or 153894 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 22160016 is about 4707.4426178128. The cubic root of 22160016 is about 280.8816428049.

Adding to 22160016 its reverse (61006122), we get a palindrome (83166138).

The spelling of 22160016 in words is "twenty-two million, one hundred sixty thousand, sixteen".