22105855 has 8 divisors (see below), whose sum is σ = 26631792. Its totient is φ = 17614848.

The previous prime is 22105849. The next prime is 22105861. The reversal of 22105855 is 55850122.

It is an interprime number because it is at equal distance from previous prime (22105849) and next prime (22105861).

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 22105855 - 2¹⁵ = 22073087 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, 7317 + ... + 9886.

It is an arithmetic number, because the mean of its divisors is an integer number (3328974).

Almost surely, 2^22105855 is an apocalyptic number.

22105855 is a deficient number, since it is larger than the sum of its proper divisors (4525937).

22105855 is a wasteful number, since it uses less digits than its factorization.

22105855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17465.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 22105855 is about 4701.6863995805. The cubic root of 22105855 is about 280.6526230945.

Adding to 22105855 its reverse (55850122), we get a palindrome (77955977).

The spelling of 22105855 in words is "twenty-two million, one hundred five thousand, eight hundred fifty-five".