22007205 has 48 divisors (see below), whose sum is σ = 43445376. Its totient is φ = 10200960.

The previous prime is 22007203. The next prime is 22007221. The reversal of 22007205 is 50270022.

It is a happy number.

It is not a de Polignac number, because 22007205 - 2¹ = 22007203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22007203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10419 + ... + 12351.

It is an arithmetic number, because the mean of its divisors is an integer number (905112).

Almost surely, 2^22007205 is an apocalyptic number.

It is an amenable number.

22007205 is a deficient number, since it is larger than the sum of its proper divisors (21438171).

22007205 is a wasteful number, since it uses less digits than its factorization.

22007205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978 (or 1975 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 22007205 is about 4691.1837525298. The cubic root of 22007205 is about 280.2345186562.

Adding to 22007205 its reverse (50270022), we get a palindrome (72277227).

The spelling of 22007205 in words is "twenty-two million, seven thousand, two hundred five".