22202206 has 12 divisors (see below), whose sum is σ = 36062712. Its totient is φ = 10247016.

The previous prime is 22202137. The next prime is 22202209. The reversal of 22202206 is 60220222.

It is a self number, because there is not a number n which added to its sum of digits gives 22202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32506 + ... + 33181.

It is an arithmetic number, because the mean of its divisors is an integer number (3005226).

Almost surely, 2^22202206 is an apocalyptic number.

22202206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22202206 is a deficient number, since it is larger than the sum of its proper divisors (13860506).

22202206 is a wasteful number, since it uses less digits than its factorization.

22202206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65715 (or 65702 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22202206 is about 4711.9216886532. The cubic root of 22202206 is about 281.0597847322.

Adding to 22202206 its reverse (60220222), we get a palindrome (82422428).

The spelling of 22202206 in words is "twenty-two million, two hundred two thousand, two hundred six".