22136885 has 8 divisors (see below), whose sum is σ = 26928600. Its totient is φ = 17466624.

The previous prime is 22136869. The next prime is 22136893. The reversal of 22136885 is 58863122.

It can be written as a sum of positive squares in 4 ways, for example, as 6754801 + 15382084 = 2599^2 + 3922^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22136885 - 2⁴ = 22136869 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29960 + ... + 30689.

It is an arithmetic number, because the mean of its divisors is an integer number (3366075).

Almost surely, 2^22136885 is an apocalyptic number.

It is an amenable number.

22136885 is a deficient number, since it is larger than the sum of its proper divisors (4791715).

22136885 is an equidigital number, since it uses as much as digits as its factorization.

22136885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60727.

The product of its digits is 23040, while the sum is 35.

The square root of 22136885 is about 4704.9851221869. The cubic root of 22136885 is about 280.7838791093.

The spelling of 22136885 in words is "twenty-two million, one hundred thirty-six thousand, eight hundred eighty-five".