22168936 has 8 divisors (see below), whose sum is σ = 41566770. Its totient is φ = 11084464.

The previous prime is 22168931. The next prime is 22168943. The reversal of 22168936 is 63986122.

It can be written as a sum of positive squares in only one way, i.e., 22146436 + 22500 = 4706^2 + 150^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22168895 and 22168904.

It is not an unprimeable number, because it can be changed into a prime (22168931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385551 + ... + 1385566.

Almost surely, 2^22168936 is an apocalyptic number.

It is an amenable number.

22168936 is a deficient number, since it is larger than the sum of its proper divisors (19397834).

22168936 is a wasteful number, since it uses less digits than its factorization.

22168936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771123 (or 2771119 counting only the distinct ones).

The product of its digits is 31104, while the sum is 37.

The square root of 22168936 is about 4708.3899583616. The cubic root of 22168936 is about 280.9193252109.

It can be divided in two parts, 22168 and 936, that added together give a square (23104 = 152²).

The spelling of 22168936 in words is "twenty-two million, one hundred sixty-eight thousand, nine hundred thirty-six".