22136655 has 8 divisors (see below), whose sum is σ = 35418672. Its totient is φ = 11806208.

The previous prime is 22136651. The next prime is 22136663. The reversal of 22136655 is 55663122.

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 22136655 - 2² = 22136651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22136651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737874 + ... + 737903.

It is an arithmetic number, because the mean of its divisors is an integer number (4427334).

Almost surely, 2^22136655 is an apocalyptic number.

22136655 is a deficient number, since it is larger than the sum of its proper divisors (13282017).

22136655 is a wasteful number, since it uses less digits than its factorization.

22136655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475785.

The product of its digits is 10800, while the sum is 30.

The square root of 22136655 is about 4704.9606799632. The cubic root of 22136655 is about 280.7829066672.

Adding to 22136655 its reverse (55663122), we get a palindrome (77799777).

It can be divided in two parts, 22136 and 655, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 22136655 in words is "twenty-two million, one hundred thirty-six thousand, six hundred fifty-five".