22160756 has 24 divisors (see below), whose sum is σ = 40683720. Its totient is φ = 10547712.

The previous prime is 22160729. The next prime is 22160767. The reversal of 22160756 is 65706122.

It can be written as a sum of positive squares in 4 ways, for example, as 10368400 + 11792356 = 3220^2 + 3434^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7160 + ... + 9776.

It is an arithmetic number, because the mean of its divisors is an integer number (1695155).

Almost surely, 2^22160756 is an apocalyptic number.

It is an amenable number.

22160756 is a deficient number, since it is larger than the sum of its proper divisors (18522964).

22160756 is a wasteful number, since it uses less digits than its factorization.

22160756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723 (or 2721 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 22160756 is about 4707.5212160966. The cubic root of 22160756 is about 280.8847693084.

Adding to 22160756 its reverse (65706122), we get a palindrome (87866878).

The spelling of 22160756 in words is "twenty-two million, one hundred sixty thousand, seven hundred fifty-six".