22200606 has 24 divisors (see below), whose sum is σ = 50931504. Its totient is φ = 6964800.

The previous prime is 22200601. The next prime is 22200611. The reversal of 22200606 is 60600222.

It is an interprime number because it is at equal distance from previous prime (22200601) and next prime (22200611).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200601) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 35970 + ... + 36581.

It is an arithmetic number, because the mean of its divisors is an integer number (2122146).

Almost surely, 2^22200606 is an apocalyptic number.

22200606 is an abundant number, since it is smaller than the sum of its proper divisors (28730898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22200606 is a wasteful number, since it uses less digits than its factorization.

22200606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72576 (or 72573 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 22200606 is about 4711.7519034856. The cubic root of 22200606 is about 281.0530330539.

Adding to 22200606 its reverse (60600222), we get a palindrome (82800828).

The spelling of 22200606 in words is "twenty-two million, two hundred thousand, six hundred six".