22200565 has 8 divisors (see below), whose sum is σ = 26697888. Its totient is φ = 17722320.

The previous prime is 22200551. The next prime is 22200601. The reversal of 22200565 is 56500222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-22200565 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067 + ... + 6976.

It is an arithmetic number, because the mean of its divisors is an integer number (3337236).

Almost surely, 2^22200565 is an apocalyptic number.

It is an amenable number.

22200565 is a deficient number, since it is larger than the sum of its proper divisors (4497323).

22200565 is an equidigital number, since it uses as much as digits as its factorization.

22200565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9539.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 22200565 is about 4711.7475526603. The cubic root of 22200565 is about 281.0528600379.

Adding to 22200565 its reverse (56500222), we get a palindrome (78700787).

The spelling of 22200565 in words is "twenty-two million, two hundred thousand, five hundred sixty-five".