22205859 has 16 divisors (see below), whose sum is σ = 33761952. Its totient is φ = 12860928.

The previous prime is 22205857. The next prime is 22205861. The reversal of 22205859 is 95850222.

It is an interprime number because it is at equal distance from previous prime (22205857) and next prime (22205861).

It is not a de Polignac number, because 22205859 - 2¹ = 22205857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22205857) 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, 16084 + ... + 17409.

It is an arithmetic number, because the mean of its divisors is an integer number (2110122).

Almost surely, 2^22205859 is an apocalyptic number.

22205859 is a deficient number, since it is larger than the sum of its proper divisors (11556093).

22205859 is a wasteful number, since it uses less digits than its factorization.

22205859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33526.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 22205859 is about 4712.3093064866. The cubic root of 22205859 is about 281.0751984422.

The spelling of 22205859 in words is "twenty-two million, two hundred five thousand, eight hundred fifty-nine".