22002206 has 4 divisors (see below), whose sum is σ = 33003312. Its totient is φ = 11001102.

The previous prime is 22002203. The next prime is 22002217. The reversal of 22002206 is 60220022.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500550 + ... + 5500553.

It is an arithmetic number, because the mean of its divisors is an integer number (8250828).

Almost surely, 2^22002206 is an apocalyptic number.

22002206 is a deficient number, since it is larger than the sum of its proper divisors (11001106).

22002206 is a wasteful number, since it uses less digits than its factorization.

22002206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001105.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22002206 is about 4690.6509143188. The cubic root of 22002206 is about 280.2132983567.

Adding to 22002206 its reverse (60220022), we get a palindrome (82222228).

The spelling of 22002206 in words is "twenty-two million, two thousand, two hundred six".