22650805 has 8 divisors (see below), whose sum is σ = 27553752. Its totient is φ = 17872128.

The previous prime is 22650799. The next prime is 22650841. The reversal of 22650805 is 50805622.

It can be written as a sum of positive squares in 4 ways, for example, as 1920996 + 20729809 = 1386^2 + 4553^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22650805 - 2⁵ = 22650773 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, 30664 + ... + 31393.

It is an arithmetic number, because the mean of its divisors is an integer number (3444219).

Almost surely, 2^22650805 is an apocalyptic number.

It is an amenable number.

22650805 is a deficient number, since it is larger than the sum of its proper divisors (4902947).

22650805 is an equidigital number, since it uses as much as digits as its factorization.

22650805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62135.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 22650805 is about 4759.2861859737. The cubic root of 22650805 is about 282.9401289271.

The spelling of 22650805 in words is "twenty-two million, six hundred fifty thousand, eight hundred five".