22606356 has 48 divisors (see below), whose sum is σ = 54371520. Its totient is φ = 7307520.

The previous prime is 22606351. The next prime is 22606373. The reversal of 22606356 is 65360622.

It is a super-2 number, since 2×22606356² = 1022094663197472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22606351) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 64975 + ... + 65321.

It is an arithmetic number, because the mean of its divisors is an integer number (1132740).

Almost surely, 2^22606356 is an apocalyptic number.

It is an amenable number.

22606356 is an abundant number, since it is smaller than the sum of its proper divisors (31765164).

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

22606356 is a wasteful number, since it uses less digits than its factorization.

22606356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 22606356 is about 4754.6141799309. The cubic root of 22606356 is about 282.7549310759.

Adding to 22606356 its reverse (65360622), we get a palindrome (87966978).

The spelling of 22606356 in words is "twenty-two million, six hundred six thousand, three hundred fifty-six".