22136838 has 8 divisors (see below), whose sum is σ = 44273688. Its totient is φ = 7378944.

The previous prime is 22136837. The next prime is 22136857. The reversal of 22136838 is 83863122.

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

22136838 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22136799 and 22136808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22136837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1844731 + ... + 1844742.

It is an arithmetic number, because the mean of its divisors is an integer number (5534211).

Almost surely, 2^22136838 is an apocalyptic number.

22136838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22136838 is a wasteful number, since it uses less digits than its factorization.

22136838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689478.

The product of its digits is 13824, while the sum is 33.

The square root of 22136838 is about 4704.9801274819. The cubic root of 22136838 is about 280.7836803934.

The spelling of 22136838 in words is "twenty-two million, one hundred thirty-six thousand, eight hundred thirty-eight".