22255305 has 16 divisors (see below), whose sum is σ = 36111744. Its totient is φ = 11701760.

The previous prime is 22255273. The next prime is 22255339. The reversal of 22255305 is 50355222.

It is not a de Polignac number, because 22255305 - 2⁵ = 22255273 is a prime.

It is a Curzon number.

It is an unprimeable number.

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, 9384 + ... + 11513.

It is an arithmetic number, because the mean of its divisors is an integer number (2256984).

Almost surely, 2^22255305 is an apocalyptic number.

It is an amenable number.

22255305 is a deficient number, since it is larger than the sum of its proper divisors (13856439).

22255305 is a wasteful number, since it uses less digits than its factorization.

22255305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20976.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 22255305 is about 4717.5528613890. The cubic root of 22255305 is about 281.2836680682.

The spelling of 22255305 in words is "twenty-two million, two hundred fifty-five thousand, three hundred five".