22160064 has 56 divisors (see below), whose sum is σ = 59017408. Its totient is φ = 7338240.

The previous prime is 22160059. The next prime is 22160111. The reversal of 22160064 is 46006122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22160064.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40239 + ... + 40785.

Almost surely, 2^22160064 is an apocalyptic number.

22160064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22160064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29508704).

22160064 is an abundant number, since it is smaller than the sum of its proper divisors (36857344).

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

22160064 is a wasteful number, since it uses less digits than its factorization.

22160064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 22160064 is about 4707.4477161196. The cubic root of 22160064 is about 280.8818456072.

Adding to 22160064 its reverse (46006122), we get a palindrome (68166186).

The spelling of 22160064 in words is "twenty-two million, one hundred sixty thousand, sixty-four".