22202805 has 16 divisors (see below), whose sum is σ = 35841600. Its totient is φ = 11735808.

The previous prime is 22202801. The next prime is 22202809. The reversal of 22202805 is 50820222.

It is an interprime number because it is at equal distance from previous prime (22202801) and next prime (22202809).

It is not a de Polignac number, because 22202805 - 2² = 22202801 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22202801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4855 + ... + 8244.

It is an arithmetic number, because the mean of its divisors is an integer number (2240100).

Almost surely, 2^22202805 is an apocalyptic number.

It is an amenable number.

22202805 is a deficient number, since it is larger than the sum of its proper divisors (13638795).

22202805 is a wasteful number, since it uses less digits than its factorization.

22202805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13220.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 22202805 is about 4711.9852504014. The cubic root of 22202805 is about 281.0623123083.

The spelling of 22202805 in words is "twenty-two million, two hundred two thousand, eight hundred five".