22406756 has 12 divisors (see below), whose sum is σ = 40271868. Its totient is φ = 10900512.

The previous prime is 22406753. The next prime is 22406759. The reversal of 22406756 is 65760422.

It is an interprime number because it is at equal distance from previous prime (22406753) and next prime (22406759).

It can be written as a sum of positive squares in 2 ways, for example, as 20557156 + 1849600 = 4534^2 + 1360^2 .

It is not an unprimeable number, because it can be changed into a prime (22406753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75551 + ... + 75846.

It is an arithmetic number, because the mean of its divisors is an integer number (3355989).

Almost surely, 2^22406756 is an apocalyptic number.

It is an amenable number.

22406756 is a deficient number, since it is larger than the sum of its proper divisors (17865112).

22406756 is a wasteful number, since it uses less digits than its factorization.

22406756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151438 (or 151436 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 22406756 is about 4733.5775054392. The cubic root of 22406756 is about 281.9202866423.

The spelling of 22406756 in words is "twenty-two million, four hundred six thousand, seven hundred fifty-six".