22136005 has 12 divisors (see below), whose sum is σ = 27771660. Its totient is φ = 16936832.

The previous prime is 22136003. The next prime is 22136011. The reversal of 22136005 is 50063122.

22136005 = T₄₉₆ + T₄₉₇ + ... + T₆₃₃.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12061729 + 10074276 = 3473^2 + 3174^2 .

It is not a de Polignac number, because 22136005 - 2¹ = 22136003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22136003) 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 11 ways as a sum of consecutive naturals, for example, 1540 + ... + 6829.

It is an arithmetic number, because the mean of its divisors is an integer number (2314305).

Almost surely, 2^22136005 is an apocalyptic number.

It is an amenable number.

22136005 is a deficient number, since it is larger than the sum of its proper divisors (5635655).

22136005 is an equidigital number, since it uses as much as digits as its factorization.

22136005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8420 (or 8397 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 22136005 is about 4704.8916034272. The cubic root of 22136005 is about 280.7801584249.

Adding to 22136005 its reverse (50063122), we get a palindrome (72199127).

The spelling of 22136005 in words is "twenty-two million, one hundred thirty-six thousand, five".