22136138 has 8 divisors (see below), whose sum is σ = 34101732. Its totient is φ = 10768896.

The previous prime is 22136131. The next prime is 22136141. The reversal of 22136138 is 83163122.

It can be written as a sum of positive squares in 2 ways, for example, as 21836929 + 299209 = 4673^2 + 547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22136131) 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 3 ways as a sum of consecutive naturals, for example, 149495 + ... + 149642.

Almost surely, 2^22136138 is an apocalyptic number.

22136138 is a deficient number, since it is larger than the sum of its proper divisors (11965594).

22136138 is a wasteful number, since it uses less digits than its factorization.

22136138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299176.

The product of its digits is 1728, while the sum is 26.

The square root of 22136138 is about 4704.9057376317. The cubic root of 22136138 is about 280.7807207619.

The spelling of 22136138 in words is "twenty-two million, one hundred thirty-six thousand, one hundred thirty-eight".