22055206 has 8 divisors (see below), whose sum is σ = 34521264. Its totient is φ = 10548120.

The previous prime is 22055191. The next prime is 22055207. The reversal of 22055206 is 60255022.

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

It is a super-2 number, since 2×22055206² = 972864223404872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22055207) 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, 239685 + ... + 239776.

It is an arithmetic number, because the mean of its divisors is an integer number (4315158).

Almost surely, 2^22055206 is an apocalyptic number.

22055206 is a deficient number, since it is larger than the sum of its proper divisors (12466058).

22055206 is a wasteful number, since it uses less digits than its factorization.

22055206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479486.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 22055206 is about 4696.2970519336. The cubic root of 22055206 is about 280.4381151454.

The spelling of 22055206 in words is "twenty-two million, fifty-five thousand, two hundred six".