22705855 has 16 divisors (see below), whose sum is σ = 29174400. Its totient is φ = 16912800.

The previous prime is 22705843. The next prime is 22705867. The reversal of 22705855 is 55850722.

It is an interprime number because it is at equal distance from previous prime (22705843) and next prime (22705867).

It is not a de Polignac number, because 22705855 - 2⁹ = 22705343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22705855.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3580 + ... + 7630.

It is an arithmetic number, because the mean of its divisors is an integer number (1823400).

Almost surely, 2^22705855 is an apocalyptic number.

22705855 is a deficient number, since it is larger than the sum of its proper divisors (6468545).

22705855 is a wasteful number, since it uses less digits than its factorization.

22705855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 22705855 is about 4765.0661065719. The cubic root of 22705855 is about 283.1691605621.

The spelling of 22705855 in words is "twenty-two million, seven hundred five thousand, eight hundred fifty-five".